Home / 826,632.60-1,239,948.90-353,365.80

Finding the Fourth Proportional to 826,632.60, 1,239,948.90 and 353,365.80

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Solution

The fourth proportional to 826,632.60, 1,239,948.90 and 353,365.80 is: 530,048.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,632.60 : 1,239,948.90 = 353,365.80 : x
  2. Step 2: Convert to fraction form
    826,632.60/1,239,948.90 = 353,365.80/x
  3. Step 3: Cross multiply
    826,632.60x = 1,239,948.90 × 353,365.80
  4. Step 4: Simplify right side
    826,632.60x = 438,155,535,007.62
  5. Step 5: Solve for x
    x = 438,155,535,007.62/826,632.60
  6. Step 6: Final answer
    x = 530,048.70

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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.