Home / 1,141,191.36-1,711,806.48-431,553.60

Finding the Fourth Proportional to 1,141,191.36, 1,711,806.48 and 431,553.60

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Solution

The fourth proportional to 1,141,191.36, 1,711,806.48 and 431,553.60 is: 647,337.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,191.36 : 1,711,806.48 = 431,553.60 : x
  2. Step 2: Convert to fraction form
    1,141,191.36/1,711,806.48 = 431,553.60/x
  3. Step 3: Cross multiply
    1,141,191.36x = 1,711,806.48 × 431,553.60
  4. Step 4: Simplify right side
    1,141,191.36x = 738,736,248,947.33
  5. Step 5: Solve for x
    x = 738,736,248,947.33/1,141,191.36
  6. Step 6: Final answer
    x = 647,337.75

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Double scale
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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.