Home / 1,191,416.32-1,644,171.17-647,551.95

Finding the Fourth Proportional to 1,191,416.32, 1,644,171.17 and 647,551.95

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Solution

The fourth proportional to 1,191,416.32, 1,644,171.17 and 647,551.95 is: 893,630.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,416.32 : 1,644,171.17 = 647,551.95 : x
  2. Step 2: Convert to fraction form
    1,191,416.32/1,644,171.17 = 647,551.95/x
  3. Step 3: Cross multiply
    1,191,416.32x = 1,644,171.17 × 647,551.95
  4. Step 4: Simplify right side
    1,191,416.32x = 1,064,686,247,267.28
  5. Step 5: Solve for x
    x = 1,064,686,247,267.28/1,191,416.32
  6. Step 6: Final answer
    x = 893,630.74

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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.