Home / 662,837.52-914,754.88-499,205.36

Finding the Fourth Proportional to 662,837.52, 914,754.88 and 499,205.36

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Solution

The fourth proportional to 662,837.52, 914,754.88 and 499,205.36 is: 688,932.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,837.52 : 914,754.88 = 499,205.36 : x
  2. Step 2: Convert to fraction form
    662,837.52/914,754.88 = 499,205.36/x
  3. Step 3: Cross multiply
    662,837.52x = 914,754.88 × 499,205.36
  4. Step 4: Simplify right side
    662,837.52x = 456,650,539,182.16
  5. Step 5: Solve for x
    x = 456,650,539,182.16/662,837.52
  6. Step 6: Final answer
    x = 688,932.85

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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.