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Finding the Fourth Proportional to 1,363,581.92, 1,881,807.12 and 759,974.24

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Solution

The fourth proportional to 1,363,581.92, 1,881,807.12 and 759,974.24 is: 1,048,800.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,581.92 : 1,881,807.12 = 759,974.24 : x
  2. Step 2: Convert to fraction form
    1,363,581.92/1,881,807.12 = 759,974.24/x
  3. Step 3: Cross multiply
    1,363,581.92x = 1,881,807.12 × 759,974.24
  4. Step 4: Simplify right side
    1,363,581.92x = 1,430,124,935,848.59
  5. Step 5: Solve for x
    x = 1,430,124,935,848.59/1,363,581.92
  6. Step 6: Final answer
    x = 1,048,800.16

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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.