Home / 531,441.04-732,973.92-340,472.20

Finding the Fourth Proportional to 531,441.04, 732,973.92 and 340,472.20

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Solution

The fourth proportional to 531,441.04, 732,973.92 and 340,472.20 is: 469,585.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,441.04 : 732,973.92 = 340,472.20 : x
  2. Step 2: Convert to fraction form
    531,441.04/732,973.92 = 340,472.20/x
  3. Step 3: Cross multiply
    531,441.04x = 732,973.92 × 340,472.20
  4. Step 4: Simplify right side
    531,441.04x = 249,557,243,085.02
  5. Step 5: Solve for x
    x = 249,557,243,085.02/531,441.04
  6. Step 6: Final answer
    x = 469,585.95

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.