Home / 453,752.20-680,628.30-433,085.05

Finding the Fourth Proportional to 453,752.20, 680,628.30 and 433,085.05

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Solution

The fourth proportional to 453,752.20, 680,628.30 and 433,085.05 is: 649,627.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,752.20 : 680,628.30 = 433,085.05 : x
  2. Step 2: Convert to fraction form
    453,752.20/680,628.30 = 433,085.05/x
  3. Step 3: Cross multiply
    453,752.20x = 680,628.30 × 433,085.05
  4. Step 4: Simplify right side
    453,752.20x = 294,769,941,336.92
  5. Step 5: Solve for x
    x = 294,769,941,336.92/453,752.20
  6. Step 6: Final answer
    x = 649,627.58

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.