Home / 571,234.56-788,275.20-316,583.52

Finding the Fourth Proportional to 571,234.56, 788,275.20 and 316,583.52

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Solution

The fourth proportional to 571,234.56, 788,275.20 and 316,583.52 is: 436,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,234.56 : 788,275.20 = 316,583.52 : x
  2. Step 2: Convert to fraction form
    571,234.56/788,275.20 = 316,583.52/x
  3. Step 3: Cross multiply
    571,234.56x = 788,275.20 × 316,583.52
  4. Step 4: Simplify right side
    571,234.56x = 249,554,937,544.70
  5. Step 5: Solve for x
    x = 249,554,937,544.70/571,234.56
  6. Step 6: Final answer
    x = 436,869.47

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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.