Home / 672,250.80-1,007,147.40-546,913.20

Finding the Fourth Proportional to 672,250.80, 1,007,147.40 and 546,913.20

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Solution

The fourth proportional to 672,250.80, 1,007,147.40 and 546,913.20 is: 819,370.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,250.80 : 1,007,147.40 = 546,913.20 : x
  2. Step 2: Convert to fraction form
    672,250.80/1,007,147.40 = 546,913.20/x
  3. Step 3: Cross multiply
    672,250.80x = 1,007,147.40 × 546,913.20
  4. Step 4: Simplify right side
    672,250.80x = 550,822,207,405.68
  5. Step 5: Solve for x
    x = 550,822,207,405.68/672,250.80
  6. Step 6: Final answer
    x = 819,370.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.