Home / 816,141.02-1,126,276.92-453,563.75

Finding the Fourth Proportional to 816,141.02, 1,126,276.92 and 453,563.75

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Solution

The fourth proportional to 816,141.02, 1,126,276.92 and 453,563.75 is: 625,919.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,141.02 : 1,126,276.92 = 453,563.75 : x
  2. Step 2: Convert to fraction form
    816,141.02/1,126,276.92 = 453,563.75/x
  3. Step 3: Cross multiply
    816,141.02x = 1,126,276.92 × 453,563.75
  4. Step 4: Simplify right side
    816,141.02x = 510,838,386,189.34
  5. Step 5: Solve for x
    x = 510,838,386,189.34/816,141.02
  6. Step 6: Final answer
    x = 625,919.27

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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.