Home / 1,152,144.48-1,728,216.90-310,696.32

Finding the Fourth Proportional to 1,152,144.48, 1,728,216.90 and 310,696.32

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Solution

The fourth proportional to 1,152,144.48, 1,728,216.90 and 310,696.32 is: 466,044.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,144.48 : 1,728,216.90 = 310,696.32 : x
  2. Step 2: Convert to fraction form
    1,152,144.48/1,728,216.90 = 310,696.32/x
  3. Step 3: Cross multiply
    1,152,144.48x = 1,728,216.90 × 310,696.32
  4. Step 4: Simplify right side
    1,152,144.48x = 536,950,630,991.81
  5. Step 5: Solve for x
    x = 536,950,630,991.81/1,152,144.48
  6. Step 6: Final answer
    x = 466,044.53

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.