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Finding the Fourth Proportional to 1,168,134, 1,612,024.92 and 631,590

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Solution

The fourth proportional to 1,168,134, 1,612,024.92 and 631,590 is: 871,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,134 : 1,612,024.92 = 631,590 : x
  2. Step 2: Convert to fraction form
    1,168,134/1,612,024.92 = 631,590/x
  3. Step 3: Cross multiply
    1,168,134x = 1,612,024.92 × 631,590
  4. Step 4: Simplify right side
    1,168,134x = 1,018,138,819,222.80
  5. Step 5: Solve for x
    x = 1,018,138,819,222.80/1,168,134
  6. Step 6: Final answer
    x = 871,594.20

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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.