Home / 744,511.88-1,026,711.78-500,049.02

Finding the Fourth Proportional to 744,511.88, 1,026,711.78 and 500,049.02

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Solution

The fourth proportional to 744,511.88, 1,026,711.78 and 500,049.02 is: 689,587.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,511.88 : 1,026,711.78 = 500,049.02 : x
  2. Step 2: Convert to fraction form
    744,511.88/1,026,711.78 = 500,049.02/x
  3. Step 3: Cross multiply
    744,511.88x = 1,026,711.78 × 500,049.02
  4. Step 4: Simplify right side
    744,511.88x = 513,406,219,411.46
  5. Step 5: Solve for x
    x = 513,406,219,411.46/744,511.88
  6. Step 6: Final answer
    x = 689,587.68

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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.