Home / 717,049.50-1,074,220.49-555,221.37

Finding the Fourth Proportional to 717,049.50, 1,074,220.49 and 555,221.37

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Solution

The fourth proportional to 717,049.50, 1,074,220.49 and 555,221.37 is: 831,783.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,049.50 : 1,074,220.49 = 555,221.37 : x
  2. Step 2: Convert to fraction form
    717,049.50/1,074,220.49 = 555,221.37/x
  3. Step 3: Cross multiply
    717,049.50x = 1,074,220.49 × 555,221.37
  4. Step 4: Simplify right side
    717,049.50x = 596,430,172,139.87
  5. Step 5: Solve for x
    x = 596,430,172,139.87/717,049.50
  6. Step 6: Final answer
    x = 831,783.82

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Double scale
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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.