Home / 691,044.57-953,205.03-475,810.83

Finding the Fourth Proportional to 691,044.57, 953,205.03 and 475,810.83

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Solution

The fourth proportional to 691,044.57, 953,205.03 and 475,810.83 is: 656,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,044.57 : 953,205.03 = 475,810.83 : x
  2. Step 2: Convert to fraction form
    691,044.57/953,205.03 = 475,810.83/x
  3. Step 3: Cross multiply
    691,044.57x = 953,205.03 × 475,810.83
  4. Step 4: Simplify right side
    691,044.57x = 453,545,276,484.48
  5. Step 5: Solve for x
    x = 453,545,276,484.48/691,044.57
  6. Step 6: Final answer
    x = 656,318.41

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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.