Home / 1,232,387.76-1,700,403.66-715,834.73

Finding the Fourth Proportional to 1,232,387.76, 1,700,403.66 and 715,834.73

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Solution

The fourth proportional to 1,232,387.76, 1,700,403.66 and 715,834.73 is: 987,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,387.76 : 1,700,403.66 = 715,834.73 : x
  2. Step 2: Convert to fraction form
    1,232,387.76/1,700,403.66 = 715,834.73/x
  3. Step 3: Cross multiply
    1,232,387.76x = 1,700,403.66 × 715,834.73
  4. Step 4: Simplify right side
    1,232,387.76x = 1,217,207,994,847.11
  5. Step 5: Solve for x
    x = 1,217,207,994,847.11/1,232,387.76
  6. Step 6: Final answer
    x = 987,682.64

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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.