Home / 1,191,600.72-1,644,031.08-739,154.16

Finding the Fourth Proportional to 1,191,600.72, 1,644,031.08 and 739,154.16

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Solution

The fourth proportional to 1,191,600.72, 1,644,031.08 and 739,154.16 is: 1,019,798.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,600.72 : 1,644,031.08 = 739,154.16 : x
  2. Step 2: Convert to fraction form
    1,191,600.72/1,644,031.08 = 739,154.16/x
  3. Step 3: Cross multiply
    1,191,600.72x = 1,644,031.08 × 739,154.16
  4. Step 4: Simplify right side
    1,191,600.72x = 1,215,192,411,951.29
  5. Step 5: Solve for x
    x = 1,215,192,411,951.29/1,191,600.72
  6. Step 6: Final answer
    x = 1,019,798.32

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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.