Home / 532,986.17-735,284.66-318,001.23

Finding the Fourth Proportional to 532,986.17, 735,284.66 and 318,001.23

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Solution

The fourth proportional to 532,986.17, 735,284.66 and 318,001.23 is: 438,700.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,986.17 : 735,284.66 = 318,001.23 : x
  2. Step 2: Convert to fraction form
    532,986.17/735,284.66 = 318,001.23/x
  3. Step 3: Cross multiply
    532,986.17x = 735,284.66 × 318,001.23
  4. Step 4: Simplify right side
    532,986.17x = 233,821,424,690.13
  5. Step 5: Solve for x
    x = 233,821,424,690.13/532,986.17
  6. Step 6: Final answer
    x = 438,700.74

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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.