Home / 1,141,237.35-1,711,708.40-431,173.13

Finding the Fourth Proportional to 1,141,237.35, 1,711,708.40 and 431,173.13

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Solution

The fourth proportional to 1,141,237.35, 1,711,708.40 and 431,173.13 is: 646,703.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,237.35 : 1,711,708.40 = 431,173.13 : x
  2. Step 2: Convert to fraction form
    1,141,237.35/1,711,708.40 = 431,173.13/x
  3. Step 3: Cross multiply
    1,141,237.35x = 1,711,708.40 × 431,173.13
  4. Step 4: Simplify right side
    1,141,237.35x = 738,042,660,994.68
  5. Step 5: Solve for x
    x = 738,042,660,994.68/1,141,237.35
  6. Step 6: Final answer
    x = 646,703.91

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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.