Home / 709,630.20-1,064,445.30-550,999.80

Finding the Fourth Proportional to 709,630.20, 1,064,445.30 and 550,999.80

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Solution

The fourth proportional to 709,630.20, 1,064,445.30 and 550,999.80 is: 826,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,630.20 : 1,064,445.30 = 550,999.80 : x
  2. Step 2: Convert to fraction form
    709,630.20/1,064,445.30 = 550,999.80/x
  3. Step 3: Cross multiply
    709,630.20x = 1,064,445.30 × 550,999.80
  4. Step 4: Simplify right side
    709,630.20x = 586,509,147,410.94
  5. Step 5: Solve for x
    x = 586,509,147,410.94/709,630.20
  6. Step 6: Final answer
    x = 826,499.70

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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.