Home / 1,191,427.16-1,644,186.12-647,562.78

Finding the Fourth Proportional to 1,191,427.16, 1,644,186.12 and 647,562.78

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Solution

The fourth proportional to 1,191,427.16, 1,644,186.12 and 647,562.78 is: 893,645.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,427.16 : 1,644,186.12 = 647,562.78 : x
  2. Step 2: Convert to fraction form
    1,191,427.16/1,644,186.12 = 647,562.78/x
  3. Step 3: Cross multiply
    1,191,427.16x = 1,644,186.12 × 647,562.78
  4. Step 4: Simplify right side
    1,191,427.16x = 1,064,713,734,704.61
  5. Step 5: Solve for x
    x = 1,064,713,734,704.61/1,191,427.16
  6. Step 6: Final answer
    x = 893,645.68

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Double scale
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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.