Home / 1,009,057.92-1,513,592.28-261,103.92

Finding the Fourth Proportional to 1,009,057.92, 1,513,592.28 and 261,103.92

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Solution

The fourth proportional to 1,009,057.92, 1,513,592.28 and 261,103.92 is: 391,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,057.92 : 1,513,592.28 = 261,103.92 : x
  2. Step 2: Convert to fraction form
    1,009,057.92/1,513,592.28 = 261,103.92/x
  3. Step 3: Cross multiply
    1,009,057.92x = 1,513,592.28 × 261,103.92
  4. Step 4: Simplify right side
    1,009,057.92x = 395,204,877,589.74
  5. Step 5: Solve for x
    x = 395,204,877,589.74/1,009,057.92
  6. Step 6: Final answer
    x = 391,657.28

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.