Home / 917,161.90-1,376,033.43-715,449.58

Finding the Fourth Proportional to 917,161.90, 1,376,033.43 and 715,449.58

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Solution

The fourth proportional to 917,161.90, 1,376,033.43 and 715,449.58 is: 1,073,401.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,161.90 : 1,376,033.43 = 715,449.58 : x
  2. Step 2: Convert to fraction form
    917,161.90/1,376,033.43 = 715,449.58/x
  3. Step 3: Cross multiply
    917,161.90x = 1,376,033.43 × 715,449.58
  4. Step 4: Simplify right side
    917,161.90x = 984,482,539,559.46
  5. Step 5: Solve for x
    x = 984,482,539,559.46/917,161.90
  6. Step 6: Final answer
    x = 1,073,401.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.