Home / 679,711.59-937,982.15-373,787.65

Finding the Fourth Proportional to 679,711.59, 937,982.15 and 373,787.65

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Solution

The fourth proportional to 679,711.59, 937,982.15 and 373,787.65 is: 515,816.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,711.59 : 937,982.15 = 373,787.65 : x
  2. Step 2: Convert to fraction form
    679,711.59/937,982.15 = 373,787.65/x
  3. Step 3: Cross multiply
    679,711.59x = 937,982.15 × 373,787.65
  4. Step 4: Simplify right side
    679,711.59x = 350,606,144,639.53
  5. Step 5: Solve for x
    x = 350,606,144,639.53/679,711.59
  6. Step 6: Final answer
    x = 515,816.05

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Double scale
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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.