Home / 717,076.40-1,075,614.60-493,127.60

Finding the Fourth Proportional to 717,076.40, 1,075,614.60 and 493,127.60

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Solution

The fourth proportional to 717,076.40, 1,075,614.60 and 493,127.60 is: 739,691.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,076.40 : 1,075,614.60 = 493,127.60 : x
  2. Step 2: Convert to fraction form
    717,076.40/1,075,614.60 = 493,127.60/x
  3. Step 3: Cross multiply
    717,076.40x = 1,075,614.60 × 493,127.60
  4. Step 4: Simplify right side
    717,076.40x = 530,415,246,222.96
  5. Step 5: Solve for x
    x = 530,415,246,222.96/717,076.40
  6. Step 6: Final answer
    x = 739,691.40

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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.