Home / 1,057,989.68-1,586,484.24-409,869.50

Finding the Fourth Proportional to 1,057,989.68, 1,586,484.24 and 409,869.50

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Solution

The fourth proportional to 1,057,989.68, 1,586,484.24 and 409,869.50 is: 614,610.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,989.68 : 1,586,484.24 = 409,869.50 : x
  2. Step 2: Convert to fraction form
    1,057,989.68/1,586,484.24 = 409,869.50/x
  3. Step 3: Cross multiply
    1,057,989.68x = 1,586,484.24 × 409,869.50
  4. Step 4: Simplify right side
    1,057,989.68x = 650,251,503,966.74
  5. Step 5: Solve for x
    x = 650,251,503,966.74/1,057,989.68
  6. Step 6: Final answer
    x = 614,610.44

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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.