Home / 476,192.17-657,143.13-261,335.71

Finding the Fourth Proportional to 476,192.17, 657,143.13 and 261,335.71

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Solution

The fourth proportional to 476,192.17, 657,143.13 and 261,335.71 is: 360,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,192.17 : 657,143.13 = 261,335.71 : x
  2. Step 2: Convert to fraction form
    476,192.17/657,143.13 = 261,335.71/x
  3. Step 3: Cross multiply
    476,192.17x = 657,143.13 × 261,335.71
  4. Step 4: Simplify right side
    476,192.17x = 171,734,966,450.17
  5. Step 5: Solve for x
    x = 171,734,966,450.17/476,192.17
  6. Step 6: Final answer
    x = 360,642.15

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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.