Home / 1,191,766.99-1,644,657.16-647,904.86

Finding the Fourth Proportional to 1,191,766.99, 1,644,657.16 and 647,904.86

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Solution

The fourth proportional to 1,191,766.99, 1,644,657.16 and 647,904.86 is: 894,118.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,766.99 : 1,644,657.16 = 647,904.86 : x
  2. Step 2: Convert to fraction form
    1,191,766.99/1,644,657.16 = 647,904.86/x
  3. Step 3: Cross multiply
    1,191,766.99x = 1,644,657.16 × 647,904.86
  4. Step 4: Simplify right side
    1,191,766.99x = 1,065,581,358,774.51
  5. Step 5: Solve for x
    x = 1,065,581,358,774.51/1,191,766.99
  6. Step 6: Final answer
    x = 894,118.87

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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.