Home / 563,823.47-777,323.71-447,921.59

Finding the Fourth Proportional to 563,823.47, 777,323.71 and 447,921.59

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Solution

The fourth proportional to 563,823.47, 777,323.71 and 447,921.59 is: 617,533.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,823.47 : 777,323.71 = 447,921.59 : x
  2. Step 2: Convert to fraction form
    563,823.47/777,323.71 = 447,921.59/x
  3. Step 3: Cross multiply
    563,823.47x = 777,323.71 × 447,921.59
  4. Step 4: Simplify right side
    563,823.47x = 348,180,067,121.48
  5. Step 5: Solve for x
    x = 348,180,067,121.48/563,823.47
  6. Step 6: Final answer
    x = 617,533.83

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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.