Home / 1,328,266.50-1,992,399.75-441,802.50

Finding the Fourth Proportional to 1,328,266.50, 1,992,399.75 and 441,802.50

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Solution

The fourth proportional to 1,328,266.50, 1,992,399.75 and 441,802.50 is: 662,703.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,266.50 : 1,992,399.75 = 441,802.50 : x
  2. Step 2: Convert to fraction form
    1,328,266.50/1,992,399.75 = 441,802.50/x
  3. Step 3: Cross multiply
    1,328,266.50x = 1,992,399.75 × 441,802.50
  4. Step 4: Simplify right side
    1,328,266.50x = 880,247,190,549.38
  5. Step 5: Solve for x
    x = 880,247,190,549.38/1,328,266.50
  6. Step 6: Final answer
    x = 662,703.75

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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.