Home / 782,972.40-1,174,547.32-702,516.06

Finding the Fourth Proportional to 782,972.40, 1,174,547.32 and 702,516.06

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Solution

The fourth proportional to 782,972.40, 1,174,547.32 and 702,516.06 is: 1,053,853.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,972.40 : 1,174,547.32 = 702,516.06 : x
  2. Step 2: Convert to fraction form
    782,972.40/1,174,547.32 = 702,516.06/x
  3. Step 3: Cross multiply
    782,972.40x = 1,174,547.32 × 702,516.06
  4. Step 4: Simplify right side
    782,972.40x = 825,138,355,529.96
  5. Step 5: Solve for x
    x = 825,138,355,529.96/782,972.40
  6. Step 6: Final answer
    x = 1,053,853.69

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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.