Home / 476,260.98-657,239.28-272,315.73

Finding the Fourth Proportional to 476,260.98, 657,239.28 and 272,315.73

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Solution

The fourth proportional to 476,260.98, 657,239.28 and 272,315.73 is: 375,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,260.98 : 657,239.28 = 272,315.73 : x
  2. Step 2: Convert to fraction form
    476,260.98/657,239.28 = 272,315.73/x
  3. Step 3: Cross multiply
    476,260.98x = 657,239.28 × 272,315.73
  4. Step 4: Simplify right side
    476,260.98x = 178,976,594,317.87
  5. Step 5: Solve for x
    x = 178,976,594,317.87/476,260.98
  6. Step 6: Final answer
    x = 375,795.21

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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.