Home / 689,116.60-1,031,601.30-606,172.60

Finding the Fourth Proportional to 689,116.60, 1,031,601.30 and 606,172.60

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Solution

The fourth proportional to 689,116.60, 1,031,601.30 and 606,172.60 is: 907,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,116.60 : 1,031,601.30 = 606,172.60 : x
  2. Step 2: Convert to fraction form
    689,116.60/1,031,601.30 = 606,172.60/x
  3. Step 3: Cross multiply
    689,116.60x = 1,031,601.30 × 606,172.60
  4. Step 4: Simplify right side
    689,116.60x = 625,328,442,184.38
  5. Step 5: Solve for x
    x = 625,328,442,184.38/689,116.60
  6. Step 6: Final answer
    x = 907,434.88

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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.