Home / 502,151.28-692,966.40-272,706.96

Finding the Fourth Proportional to 502,151.28, 692,966.40 and 272,706.96

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Solution

The fourth proportional to 502,151.28, 692,966.40 and 272,706.96 is: 376,334.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,151.28 : 692,966.40 = 272,706.96 : x
  2. Step 2: Convert to fraction form
    502,151.28/692,966.40 = 272,706.96/x
  3. Step 3: Cross multiply
    502,151.28x = 692,966.40 × 272,706.96
  4. Step 4: Simplify right side
    502,151.28x = 188,976,760,326.14
  5. Step 5: Solve for x
    x = 188,976,760,326.14/502,151.28
  6. Step 6: Final answer
    x = 376,334.32

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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.