Home / 865,427.59-1,194,046.88-497,885.50

Finding the Fourth Proportional to 865,427.59, 1,194,046.88 and 497,885.50

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Solution

The fourth proportional to 865,427.59, 1,194,046.88 and 497,885.50 is: 686,942.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,427.59 : 1,194,046.88 = 497,885.50 : x
  2. Step 2: Convert to fraction form
    865,427.59/1,194,046.88 = 497,885.50/x
  3. Step 3: Cross multiply
    865,427.59x = 1,194,046.88 × 497,885.50
  4. Step 4: Simplify right side
    865,427.59x = 594,498,627,872.24
  5. Step 5: Solve for x
    x = 594,498,627,872.24/865,427.59
  6. Step 6: Final answer
    x = 686,942.08

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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.