Home / 563,287.14-777,408.57-321,514.29

Finding the Fourth Proportional to 563,287.14, 777,408.57 and 321,514.29

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Solution

The fourth proportional to 563,287.14, 777,408.57 and 321,514.29 is: 443,731.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,287.14 : 777,408.57 = 321,514.29 : x
  2. Step 2: Convert to fraction form
    563,287.14/777,408.57 = 321,514.29/x
  3. Step 3: Cross multiply
    563,287.14x = 777,408.57 × 321,514.29
  4. Step 4: Simplify right side
    563,287.14x = 249,947,964,423.47
  5. Step 5: Solve for x
    x = 249,947,964,423.47/563,287.14
  6. Step 6: Final answer
    x = 443,731.00

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1.5x scale

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.