Home / 689,190.60-1,031,712.30-606,246.60

Finding the Fourth Proportional to 689,190.60, 1,031,712.30 and 606,246.60

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Solution

The fourth proportional to 689,190.60, 1,031,712.30 and 606,246.60 is: 907,545.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,190.60 : 1,031,712.30 = 606,246.60 : x
  2. Step 2: Convert to fraction form
    689,190.60/1,031,712.30 = 606,246.60/x
  3. Step 3: Cross multiply
    689,190.60x = 1,031,712.30 × 606,246.60
  4. Step 4: Simplify right side
    689,190.60x = 625,472,074,053.18
  5. Step 5: Solve for x
    x = 625,472,074,053.18/689,190.60
  6. Step 6: Final answer
    x = 907,545.86

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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.