Home / 1,112,283.85-1,534,937.91-653,440.25

Finding the Fourth Proportional to 1,112,283.85, 1,534,937.91 and 653,440.25

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Solution

The fourth proportional to 1,112,283.85, 1,534,937.91 and 653,440.25 is: 901,739.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,283.85 : 1,534,937.91 = 653,440.25 : x
  2. Step 2: Convert to fraction form
    1,112,283.85/1,534,937.91 = 653,440.25/x
  3. Step 3: Cross multiply
    1,112,283.85x = 1,534,937.91 × 653,440.25
  4. Step 4: Simplify right side
    1,112,283.85x = 1,002,990,211,644.88
  5. Step 5: Solve for x
    x = 1,002,990,211,644.88/1,112,283.85
  6. Step 6: Final answer
    x = 901,739.44

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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.