Home / 920,424.42-1,270,340.57-593,645.58

Finding the Fourth Proportional to 920,424.42, 1,270,340.57 and 593,645.58

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Solution

The fourth proportional to 920,424.42, 1,270,340.57 and 593,645.58 is: 819,330.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,424.42 : 1,270,340.57 = 593,645.58 : x
  2. Step 2: Convert to fraction form
    920,424.42/1,270,340.57 = 593,645.58/x
  3. Step 3: Cross multiply
    920,424.42x = 1,270,340.57 × 593,645.58
  4. Step 4: Simplify right side
    920,424.42x = 754,132,061,506.95
  5. Step 5: Solve for x
    x = 754,132,061,506.95/920,424.42
  6. Step 6: Final answer
    x = 819,330.78

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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.