Home / 756,545.30-1,044,001.09-412,373.65

Finding the Fourth Proportional to 756,545.30, 1,044,001.09 and 412,373.65

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Solution

The fourth proportional to 756,545.30, 1,044,001.09 and 412,373.65 is: 569,058.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,545.30 : 1,044,001.09 = 412,373.65 : x
  2. Step 2: Convert to fraction form
    756,545.30/1,044,001.09 = 412,373.65/x
  3. Step 3: Cross multiply
    756,545.30x = 1,044,001.09 × 412,373.65
  4. Step 4: Simplify right side
    756,545.30x = 430,518,542,578.17
  5. Step 5: Solve for x
    x = 430,518,542,578.17/756,545.30
  6. Step 6: Final answer
    x = 569,058.51

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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.