Home / 860,147.90-1,187,184.71-545,616.29

Finding the Fourth Proportional to 860,147.90, 1,187,184.71 and 545,616.29

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Solution

The fourth proportional to 860,147.90, 1,187,184.71 and 545,616.29 is: 753,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,147.90 : 1,187,184.71 = 545,616.29 : x
  2. Step 2: Convert to fraction form
    860,147.90/1,187,184.71 = 545,616.29/x
  3. Step 3: Cross multiply
    860,147.90x = 1,187,184.71 × 545,616.29
  4. Step 4: Simplify right side
    860,147.90x = 647,747,317,254.81
  5. Step 5: Solve for x
    x = 647,747,317,254.81/860,147.90
  6. Step 6: Final answer
    x = 753,065.05

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Double scale
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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.