Home / 860,607.77-1,187,632.15-473,414.86

Finding the Fourth Proportional to 860,607.77, 1,187,632.15 and 473,414.86

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Solution

The fourth proportional to 860,607.77, 1,187,632.15 and 473,414.86 is: 653,308.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,607.77 : 1,187,632.15 = 473,414.86 : x
  2. Step 2: Convert to fraction form
    860,607.77/1,187,632.15 = 473,414.86/x
  3. Step 3: Cross multiply
    860,607.77x = 1,187,632.15 × 473,414.86
  4. Step 4: Simplify right side
    860,607.77x = 562,242,708,023.75
  5. Step 5: Solve for x
    x = 562,242,708,023.75/860,607.77
  6. Step 6: Final answer
    x = 653,308.89

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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.