Home / 1,313,508.30-1,970,116.65-366,974.70

Finding the Fourth Proportional to 1,313,508.30, 1,970,116.65 and 366,974.70

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Solution

The fourth proportional to 1,313,508.30, 1,970,116.65 and 366,974.70 is: 550,421.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,508.30 : 1,970,116.65 = 366,974.70 : x
  2. Step 2: Convert to fraction form
    1,313,508.30/1,970,116.65 = 366,974.70/x
  3. Step 3: Cross multiply
    1,313,508.30x = 1,970,116.65 × 366,974.70
  4. Step 4: Simplify right side
    1,313,508.30x = 722,982,966,598.76
  5. Step 5: Solve for x
    x = 722,982,966,598.76/1,313,508.30
  6. Step 6: Final answer
    x = 550,421.32

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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.