Home / 1,152,150.76-1,728,226.30-310,702.60

Finding the Fourth Proportional to 1,152,150.76, 1,728,226.30 and 310,702.60

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Solution

The fourth proportional to 1,152,150.76, 1,728,226.30 and 310,702.60 is: 466,053.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,150.76 : 1,728,226.30 = 310,702.60 : x
  2. Step 2: Convert to fraction form
    1,152,150.76/1,728,226.30 = 310,702.60/x
  3. Step 3: Cross multiply
    1,152,150.76x = 1,728,226.30 × 310,702.60
  4. Step 4: Simplify right side
    1,152,150.76x = 536,964,404,798.38
  5. Step 5: Solve for x
    x = 536,964,404,798.38/1,152,150.76
  6. Step 6: Final answer
    x = 466,053.94

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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.