Home / 914,285.70-1,371,428.55-778,983.30

Finding the Fourth Proportional to 914,285.70, 1,371,428.55 and 778,983.30

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Solution

The fourth proportional to 914,285.70, 1,371,428.55 and 778,983.30 is: 1,168,474.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,285.70 : 1,371,428.55 = 778,983.30 : x
  2. Step 2: Convert to fraction form
    914,285.70/1,371,428.55 = 778,983.30/x
  3. Step 3: Cross multiply
    914,285.70x = 1,371,428.55 × 778,983.30
  4. Step 4: Simplify right side
    914,285.70x = 1,068,319,937,593.22
  5. Step 5: Solve for x
    x = 1,068,319,937,593.22/914,285.70
  6. Step 6: Final answer
    x = 1,168,474.95

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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.