Home / 819,790.59-1,131,313.02-457,237.94

Finding the Fourth Proportional to 819,790.59, 1,131,313.02 and 457,237.94

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Solution

The fourth proportional to 819,790.59, 1,131,313.02 and 457,237.94 is: 630,989.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,790.59 : 1,131,313.02 = 457,237.94 : x
  2. Step 2: Convert to fraction form
    819,790.59/1,131,313.02 = 457,237.94/x
  3. Step 3: Cross multiply
    819,790.59x = 1,131,313.02 × 457,237.94
  4. Step 4: Simplify right side
    819,790.59x = 517,279,229,103.41
  5. Step 5: Solve for x
    x = 517,279,229,103.41/819,790.59
  6. Step 6: Final answer
    x = 630,989.47

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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.