Home / 860,416.01-1,187,402.86-473,247.76

Finding the Fourth Proportional to 860,416.01, 1,187,402.86 and 473,247.76

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Solution

The fourth proportional to 860,416.01, 1,187,402.86 and 473,247.76 is: 653,097.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,416.01 : 1,187,402.86 = 473,247.76 : x
  2. Step 2: Convert to fraction form
    860,416.01/1,187,402.86 = 473,247.76/x
  3. Step 3: Cross multiply
    860,416.01x = 1,187,402.86 × 473,247.76
  4. Step 4: Simplify right side
    860,416.01x = 561,935,737,775.58
  5. Step 5: Solve for x
    x = 561,935,737,775.58/860,416.01
  6. Step 6: Final answer
    x = 653,097.72

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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.