Home / 910,488.96-1,256,475.03-502,591.08

Finding the Fourth Proportional to 910,488.96, 1,256,475.03 and 502,591.08

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Solution

The fourth proportional to 910,488.96, 1,256,475.03 and 502,591.08 is: 693,575.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,488.96 : 1,256,475.03 = 502,591.08 : x
  2. Step 2: Convert to fraction form
    910,488.96/1,256,475.03 = 502,591.08/x
  3. Step 3: Cross multiply
    910,488.96x = 1,256,475.03 × 502,591.08
  4. Step 4: Simplify right side
    910,488.96x = 631,493,142,320.73
  5. Step 5: Solve for x
    x = 631,493,142,320.73/910,488.96
  6. Step 6: Final answer
    x = 693,575.84

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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.