Home / 1,191,878.91-1,644,825.15-648,051.21

Finding the Fourth Proportional to 1,191,878.91, 1,644,825.15 and 648,051.21

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Solution

The fourth proportional to 1,191,878.91, 1,644,825.15 and 648,051.21 is: 894,328.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,878.91 : 1,644,825.15 = 648,051.21 : x
  2. Step 2: Convert to fraction form
    1,191,878.91/1,644,825.15 = 648,051.21/x
  3. Step 3: Cross multiply
    1,191,878.91x = 1,644,825.15 × 648,051.21
  4. Step 4: Simplify right side
    1,191,878.91x = 1,065,930,928,695.93
  5. Step 5: Solve for x
    x = 1,065,930,928,695.93/1,191,878.91
  6. Step 6: Final answer
    x = 894,328.21

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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.