Home / 801,344.24-1,106,605.50-515,362.40

Finding the Fourth Proportional to 801,344.24, 1,106,605.50 and 515,362.40

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Solution

The fourth proportional to 801,344.24, 1,106,605.50 and 515,362.40 is: 711,682.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,344.24 : 1,106,605.50 = 515,362.40 : x
  2. Step 2: Convert to fraction form
    801,344.24/1,106,605.50 = 515,362.40/x
  3. Step 3: Cross multiply
    801,344.24x = 1,106,605.50 × 515,362.40
  4. Step 4: Simplify right side
    801,344.24x = 570,302,866,333.20
  5. Step 5: Solve for x
    x = 570,302,866,333.20/801,344.24
  6. Step 6: Final answer
    x = 711,682.74

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.