Home / 652,296.20-977,132.10-439,719.80

Finding the Fourth Proportional to 652,296.20, 977,132.10 and 439,719.80

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Solution

The fourth proportional to 652,296.20, 977,132.10 and 439,719.80 is: 658,695.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,296.20 : 977,132.10 = 439,719.80 : x
  2. Step 2: Convert to fraction form
    652,296.20/977,132.10 = 439,719.80/x
  3. Step 3: Cross multiply
    652,296.20x = 977,132.10 × 439,719.80
  4. Step 4: Simplify right side
    652,296.20x = 429,664,331,585.58
  5. Step 5: Solve for x
    x = 429,664,331,585.58/652,296.20
  6. Step 6: Final answer
    x = 658,695.13

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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.