Home / 1,191,521.62-1,644,311.51-647,657.07

Finding the Fourth Proportional to 1,191,521.62, 1,644,311.51 and 647,657.07

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Solution

The fourth proportional to 1,191,521.62, 1,644,311.51 and 647,657.07 is: 893,773.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,521.62 : 1,644,311.51 = 647,657.07 : x
  2. Step 2: Convert to fraction form
    1,191,521.62/1,644,311.51 = 647,657.07/x
  3. Step 3: Cross multiply
    1,191,521.62x = 1,644,311.51 × 647,657.07
  4. Step 4: Simplify right side
    1,191,521.62x = 1,064,949,972,242.24
  5. Step 5: Solve for x
    x = 1,064,949,972,242.24/1,191,521.62
  6. Step 6: Final answer
    x = 893,773.10

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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.