Home / 837,764.20-1,256,646.30-483,470.20

Finding the Fourth Proportional to 837,764.20, 1,256,646.30 and 483,470.20

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Solution

The fourth proportional to 837,764.20, 1,256,646.30 and 483,470.20 is: 725,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,764.20 : 1,256,646.30 = 483,470.20 : x
  2. Step 2: Convert to fraction form
    837,764.20/1,256,646.30 = 483,470.20/x
  3. Step 3: Cross multiply
    837,764.20x = 1,256,646.30 × 483,470.20
  4. Step 4: Simplify right side
    837,764.20x = 607,551,037,990.26
  5. Step 5: Solve for x
    x = 607,551,037,990.26/837,764.20
  6. Step 6: Final answer
    x = 725,205.30

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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.