Home / 826,365.35-1,140,440.67-458,861.47

Finding the Fourth Proportional to 826,365.35, 1,140,440.67 and 458,861.47

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Solution

The fourth proportional to 826,365.35, 1,140,440.67 and 458,861.47 is: 633,260.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,365.35 : 1,140,440.67 = 458,861.47 : x
  2. Step 2: Convert to fraction form
    826,365.35/1,140,440.67 = 458,861.47/x
  3. Step 3: Cross multiply
    826,365.35x = 1,140,440.67 × 458,861.47
  4. Step 4: Simplify right side
    826,365.35x = 523,304,282,283.99
  5. Step 5: Solve for x
    x = 523,304,282,283.99/826,365.35
  6. Step 6: Final answer
    x = 633,260.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.