Home / 860,403.11-1,187,385.29-473,248.47

Finding the Fourth Proportional to 860,403.11, 1,187,385.29 and 473,248.47

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Solution

The fourth proportional to 860,403.11, 1,187,385.29 and 473,248.47 is: 653,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,403.11 : 1,187,385.29 = 473,248.47 : x
  2. Step 2: Convert to fraction form
    860,403.11/1,187,385.29 = 473,248.47/x
  3. Step 3: Cross multiply
    860,403.11x = 1,187,385.29 × 473,248.47
  4. Step 4: Simplify right side
    860,403.11x = 561,928,271,016.07
  5. Step 5: Solve for x
    x = 561,928,271,016.07/860,403.11
  6. Step 6: Final answer
    x = 653,098.84

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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.