Home / 860,785.38-1,187,892.93-473,605.89

Finding the Fourth Proportional to 860,785.38, 1,187,892.93 and 473,605.89

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Solution

The fourth proportional to 860,785.38, 1,187,892.93 and 473,605.89 is: 653,581.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,785.38 : 1,187,892.93 = 473,605.89 : x
  2. Step 2: Convert to fraction form
    860,785.38/1,187,892.93 = 473,605.89/x
  3. Step 3: Cross multiply
    860,785.38x = 1,187,892.93 × 473,605.89
  4. Step 4: Simplify right side
    860,785.38x = 562,593,085,658.78
  5. Step 5: Solve for x
    x = 562,593,085,658.78/860,785.38
  6. Step 6: Final answer
    x = 653,581.14

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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.