Home / 476,252.16-657,206.40-285,371.52

Finding the Fourth Proportional to 476,252.16, 657,206.40 and 285,371.52

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Solution

The fourth proportional to 476,252.16, 657,206.40 and 285,371.52 is: 393,799.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,252.16 : 657,206.40 = 285,371.52 : x
  2. Step 2: Convert to fraction form
    476,252.16/657,206.40 = 285,371.52/x
  3. Step 3: Cross multiply
    476,252.16x = 657,206.40 × 285,371.52
  4. Step 4: Simplify right side
    476,252.16x = 187,547,989,321.73
  5. Step 5: Solve for x
    x = 187,547,989,321.73/476,252.16
  6. Step 6: Final answer
    x = 393,799.77

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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.