Home / 571,864.32-857,547.30-192,714.42

Finding the Fourth Proportional to 571,864.32, 857,547.30 and 192,714.42

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Solution

The fourth proportional to 571,864.32, 857,547.30 and 192,714.42 is: 288,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,864.32 : 857,547.30 = 192,714.42 : x
  2. Step 2: Convert to fraction form
    571,864.32/857,547.30 = 192,714.42/x
  3. Step 3: Cross multiply
    571,864.32x = 857,547.30 × 192,714.42
  4. Step 4: Simplify right side
    571,864.32x = 165,261,730,542.07
  5. Step 5: Solve for x
    x = 165,261,730,542.07/571,864.32
  6. Step 6: Final answer
    x = 288,987.66

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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.