Home / 830,728.20-1,146,618.21-541,061.57

Finding the Fourth Proportional to 830,728.20, 1,146,618.21 and 541,061.57

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Solution

The fourth proportional to 830,728.20, 1,146,618.21 and 541,061.57 is: 746,803.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,728.20 : 1,146,618.21 = 541,061.57 : x
  2. Step 2: Convert to fraction form
    830,728.20/1,146,618.21 = 541,061.57/x
  3. Step 3: Cross multiply
    830,728.20x = 1,146,618.21 × 541,061.57
  4. Step 4: Simplify right side
    830,728.20x = 620,391,049,223.51
  5. Step 5: Solve for x
    x = 620,391,049,223.51/830,728.20
  6. Step 6: Final answer
    x = 746,803.88

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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.