Home / 1,031,728.72-1,423,924.68-579,044.56

Finding the Fourth Proportional to 1,031,728.72, 1,423,924.68 and 579,044.56

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Solution

The fourth proportional to 1,031,728.72, 1,423,924.68 and 579,044.56 is: 799,159.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,728.72 : 1,423,924.68 = 579,044.56 : x
  2. Step 2: Convert to fraction form
    1,031,728.72/1,423,924.68 = 579,044.56/x
  3. Step 3: Cross multiply
    1,031,728.72x = 1,423,924.68 × 579,044.56
  4. Step 4: Simplify right side
    1,031,728.72x = 824,515,839,803.74
  5. Step 5: Solve for x
    x = 824,515,839,803.74/1,031,728.72
  6. Step 6: Final answer
    x = 799,159.53

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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.