Home / 1,112,105.47-1,534,411.20-653,073.31

Finding the Fourth Proportional to 1,112,105.47, 1,534,411.20 and 653,073.31

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Solution

The fourth proportional to 1,112,105.47, 1,534,411.20 and 653,073.31 is: 901,068.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,105.47 : 1,534,411.20 = 653,073.31 : x
  2. Step 2: Convert to fraction form
    1,112,105.47/1,534,411.20 = 653,073.31/x
  3. Step 3: Cross multiply
    1,112,105.47x = 1,534,411.20 × 653,073.31
  4. Step 4: Simplify right side
    1,112,105.47x = 1,002,082,990,347.65
  5. Step 5: Solve for x
    x = 1,002,082,990,347.65/1,112,105.47
  6. Step 6: Final answer
    x = 901,068.30

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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.