Home / 826,539.40-1,239,809.10-294,077.80

Finding the Fourth Proportional to 826,539.40, 1,239,809.10 and 294,077.80

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Solution

The fourth proportional to 826,539.40, 1,239,809.10 and 294,077.80 is: 441,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,539.40 : 1,239,809.10 = 294,077.80 : x
  2. Step 2: Convert to fraction form
    826,539.40/1,239,809.10 = 294,077.80/x
  3. Step 3: Cross multiply
    826,539.40x = 1,239,809.10 × 294,077.80
  4. Step 4: Simplify right side
    826,539.40x = 364,600,332,547.98
  5. Step 5: Solve for x
    x = 364,600,332,547.98/826,539.40
  6. Step 6: Final answer
    x = 441,116.70

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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.