Home / 563,329.20-777,377.94-330,752.22

Finding the Fourth Proportional to 563,329.20, 777,377.94 and 330,752.22

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Solution

The fourth proportional to 563,329.20, 777,377.94 and 330,752.22 is: 456,428.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,329.20 : 777,377.94 = 330,752.22 : x
  2. Step 2: Convert to fraction form
    563,329.20/777,377.94 = 330,752.22/x
  3. Step 3: Cross multiply
    563,329.20x = 777,377.94 × 330,752.22
  4. Step 4: Simplify right side
    563,329.20x = 257,119,479,434.03
  5. Step 5: Solve for x
    x = 257,119,479,434.03/563,329.20
  6. Step 6: Final answer
    x = 456,428.46

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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.