Home / 563,046.04-777,003.68-308,406.36

Finding the Fourth Proportional to 563,046.04, 777,003.68 and 308,406.36

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Solution

The fourth proportional to 563,046.04, 777,003.68 and 308,406.36 is: 425,600.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,046.04 : 777,003.68 = 308,406.36 : x
  2. Step 2: Convert to fraction form
    563,046.04/777,003.68 = 308,406.36/x
  3. Step 3: Cross multiply
    563,046.04x = 777,003.68 × 308,406.36
  4. Step 4: Simplify right side
    563,046.04x = 239,632,876,655.41
  5. Step 5: Solve for x
    x = 239,632,876,655.41/563,046.04
  6. Step 6: Final answer
    x = 425,600.86

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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.