Home / 520,040.10-780,060.15-441,308.10

Finding the Fourth Proportional to 520,040.10, 780,060.15 and 441,308.10

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Solution

The fourth proportional to 520,040.10, 780,060.15 and 441,308.10 is: 661,962.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,040.10 : 780,060.15 = 441,308.10 : x
  2. Step 2: Convert to fraction form
    520,040.10/780,060.15 = 441,308.10/x
  3. Step 3: Cross multiply
    520,040.10x = 780,060.15 × 441,308.10
  4. Step 4: Simplify right side
    520,040.10x = 344,246,862,682.22
  5. Step 5: Solve for x
    x = 344,246,862,682.22/520,040.10
  6. Step 6: Final answer
    x = 661,962.15

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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.