Home / 1,034,144.30-1,551,216.45-768,423.80

Finding the Fourth Proportional to 1,034,144.30, 1,551,216.45 and 768,423.80

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Solution

The fourth proportional to 1,034,144.30, 1,551,216.45 and 768,423.80 is: 1,152,635.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,144.30 : 1,551,216.45 = 768,423.80 : x
  2. Step 2: Convert to fraction form
    1,034,144.30/1,551,216.45 = 768,423.80/x
  3. Step 3: Cross multiply
    1,034,144.30x = 1,551,216.45 × 768,423.80
  4. Step 4: Simplify right side
    1,034,144.30x = 1,191,991,639,131.51
  5. Step 5: Solve for x
    x = 1,191,991,639,131.51/1,034,144.30
  6. Step 6: Final answer
    x = 1,152,635.70

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Double scale
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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.