Home / 679,044.43-937,098.05-373,118.38

Finding the Fourth Proportional to 679,044.43, 937,098.05 and 373,118.38

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Solution

The fourth proportional to 679,044.43, 937,098.05 and 373,118.38 is: 514,912.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,044.43 : 937,098.05 = 373,118.38 : x
  2. Step 2: Convert to fraction form
    679,044.43/937,098.05 = 373,118.38/x
  3. Step 3: Cross multiply
    679,044.43x = 937,098.05 × 373,118.38
  4. Step 4: Simplify right side
    679,044.43x = 349,648,506,317.16
  5. Step 5: Solve for x
    x = 349,648,506,317.16/679,044.43
  6. Step 6: Final answer
    x = 514,912.56

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Double scale
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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.