Home / 814,276.70-1,221,415.05-604,324.70

Finding the Fourth Proportional to 814,276.70, 1,221,415.05 and 604,324.70

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Solution

The fourth proportional to 814,276.70, 1,221,415.05 and 604,324.70 is: 906,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,276.70 : 1,221,415.05 = 604,324.70 : x
  2. Step 2: Convert to fraction form
    814,276.70/1,221,415.05 = 604,324.70/x
  3. Step 3: Cross multiply
    814,276.70x = 1,221,415.05 × 604,324.70
  4. Step 4: Simplify right side
    814,276.70x = 738,131,283,666.74
  5. Step 5: Solve for x
    x = 738,131,283,666.74/814,276.70
  6. Step 6: Final answer
    x = 906,487.05

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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.