Home / 411,962.46-618,031.85-127,646.70

Finding the Fourth Proportional to 411,962.46, 618,031.85 and 127,646.70

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Solution

The fourth proportional to 411,962.46, 618,031.85 and 127,646.70 is: 191,497.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,962.46 : 618,031.85 = 127,646.70 : x
  2. Step 2: Convert to fraction form
    411,962.46/618,031.85 = 127,646.70/x
  3. Step 3: Cross multiply
    411,962.46x = 618,031.85 × 127,646.70
  4. Step 4: Simplify right side
    411,962.46x = 78,889,725,509.16
  5. Step 5: Solve for x
    x = 78,889,725,509.16/411,962.46
  6. Step 6: Final answer
    x = 191,497.36

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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.