Home / 476,156.52-657,104.08-261,316.60

Finding the Fourth Proportional to 476,156.52, 657,104.08 and 261,316.60

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Solution

The fourth proportional to 476,156.52, 657,104.08 and 261,316.60 is: 360,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,156.52 : 657,104.08 = 261,316.60 : x
  2. Step 2: Convert to fraction form
    476,156.52/657,104.08 = 261,316.60/x
  3. Step 3: Cross multiply
    476,156.52x = 657,104.08 × 261,316.60
  4. Step 4: Simplify right side
    476,156.52x = 171,712,204,031.73
  5. Step 5: Solve for x
    x = 171,712,204,031.73/476,156.52
  6. Step 6: Final answer
    x = 360,621.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.