Home / 725,064.40-1,087,596.60-606,966.40

Finding the Fourth Proportional to 725,064.40, 1,087,596.60 and 606,966.40

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Solution

The fourth proportional to 725,064.40, 1,087,596.60 and 606,966.40 is: 910,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,064.40 : 1,087,596.60 = 606,966.40 : x
  2. Step 2: Convert to fraction form
    725,064.40/1,087,596.60 = 606,966.40/x
  3. Step 3: Cross multiply
    725,064.40x = 1,087,596.60 × 606,966.40
  4. Step 4: Simplify right side
    725,064.40x = 660,134,592,954.24
  5. Step 5: Solve for x
    x = 660,134,592,954.24/725,064.40
  6. Step 6: Final answer
    x = 910,449.60

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Double scale
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Similar ratio
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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.