Home / 860,584.59-1,187,589.87-478,603.17

Finding the Fourth Proportional to 860,584.59, 1,187,589.87 and 478,603.17

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Solution

The fourth proportional to 860,584.59, 1,187,589.87 and 478,603.17 is: 660,463.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,584.59 : 1,187,589.87 = 478,603.17 : x
  2. Step 2: Convert to fraction form
    860,584.59/1,187,589.87 = 478,603.17/x
  3. Step 3: Cross multiply
    860,584.59x = 1,187,589.87 × 478,603.17
  4. Step 4: Simplify right side
    860,584.59x = 568,384,276,441.89
  5. Step 5: Solve for x
    x = 568,384,276,441.89/860,584.59
  6. Step 6: Final answer
    x = 660,463.00

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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.