Home / 623,948.10-935,922.15-340,512.90

Finding the Fourth Proportional to 623,948.10, 935,922.15 and 340,512.90

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Solution

The fourth proportional to 623,948.10, 935,922.15 and 340,512.90 is: 510,769.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,948.10 : 935,922.15 = 340,512.90 : x
  2. Step 2: Convert to fraction form
    623,948.10/935,922.15 = 340,512.90/x
  3. Step 3: Cross multiply
    623,948.10x = 935,922.15 × 340,512.90
  4. Step 4: Simplify right side
    623,948.10x = 318,693,565,470.74
  5. Step 5: Solve for x
    x = 318,693,565,470.74/623,948.10
  6. Step 6: Final answer
    x = 510,769.35

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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.