Home / 679,908.29-938,253.85-373,984.65

Finding the Fourth Proportional to 679,908.29, 938,253.85 and 373,984.65

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Solution

The fourth proportional to 679,908.29, 938,253.85 and 373,984.65 is: 516,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,908.29 : 938,253.85 = 373,984.65 : x
  2. Step 2: Convert to fraction form
    679,908.29/938,253.85 = 373,984.65/x
  3. Step 3: Cross multiply
    679,908.29x = 938,253.85 × 373,984.65
  4. Step 4: Simplify right side
    679,908.29x = 350,892,536,768.44
  5. Step 5: Solve for x
    x = 350,892,536,768.44/679,908.29
  6. Step 6: Final answer
    x = 516,088.04

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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.