Home / 731,997.74-1,010,156.65-409,707.75

Finding the Fourth Proportional to 731,997.74, 1,010,156.65 and 409,707.75

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Solution

The fourth proportional to 731,997.74, 1,010,156.65 and 409,707.75 is: 565,396.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,997.74 : 1,010,156.65 = 409,707.75 : x
  2. Step 2: Convert to fraction form
    731,997.74/1,010,156.65 = 409,707.75/x
  3. Step 3: Cross multiply
    731,997.74x = 1,010,156.65 × 409,707.75
  4. Step 4: Simplify right side
    731,997.74x = 413,869,008,219.04
  5. Step 5: Solve for x
    x = 413,869,008,219.04/731,997.74
  6. Step 6: Final answer
    x = 565,396.57

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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.