Home / 626,344.20-939,511.80-153,025.20

Finding the Fourth Proportional to 626,344.20, 939,511.80 and 153,025.20

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Solution

The fourth proportional to 626,344.20, 939,511.80 and 153,025.20 is: 229,536.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,344.20 : 939,511.80 = 153,025.20 : x
  2. Step 2: Convert to fraction form
    626,344.20/939,511.80 = 153,025.20/x
  3. Step 3: Cross multiply
    626,344.20x = 939,511.80 × 153,025.20
  4. Step 4: Simplify right side
    626,344.20x = 143,768,981,097.36
  5. Step 5: Solve for x
    x = 143,768,981,097.36/626,344.20
  6. Step 6: Final answer
    x = 229,536.70

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1.5x scale

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.