Home / 921,695.42-1,382,244.27-353,046.26

Finding the Fourth Proportional to 921,695.42, 1,382,244.27 and 353,046.26

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Solution

The fourth proportional to 921,695.42, 1,382,244.27 and 353,046.26 is: 529,454.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,695.42 : 1,382,244.27 = 353,046.26 : x
  2. Step 2: Convert to fraction form
    921,695.42/1,382,244.27 = 353,046.26/x
  3. Step 3: Cross multiply
    921,695.42x = 1,382,244.27 × 353,046.26
  4. Step 4: Simplify right side
    921,695.42x = 487,996,169,929.93
  5. Step 5: Solve for x
    x = 487,996,169,929.93/921,695.42
  6. Step 6: Final answer
    x = 529,454.91

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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.