Home / 1,274,853.03-1,912,279.55-433,404.78

Finding the Fourth Proportional to 1,274,853.03, 1,912,279.55 and 433,404.78

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Solution

The fourth proportional to 1,274,853.03, 1,912,279.55 and 433,404.78 is: 650,107.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,853.03 : 1,912,279.55 = 433,404.78 : x
  2. Step 2: Convert to fraction form
    1,274,853.03/1,912,279.55 = 433,404.78/x
  3. Step 3: Cross multiply
    1,274,853.03x = 1,912,279.55 × 433,404.78
  4. Step 4: Simplify right side
    1,274,853.03x = 828,791,095,499.23
  5. Step 5: Solve for x
    x = 828,791,095,499.23/1,274,853.03
  6. Step 6: Final answer
    x = 650,107.17

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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.