Home / 754,000.89-1,040,528.19-409,837.63

Finding the Fourth Proportional to 754,000.89, 1,040,528.19 and 409,837.63

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Solution

The fourth proportional to 754,000.89, 1,040,528.19 and 409,837.63 is: 565,579.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,000.89 : 1,040,528.19 = 409,837.63 : x
  2. Step 2: Convert to fraction form
    754,000.89/1,040,528.19 = 409,837.63/x
  3. Step 3: Cross multiply
    754,000.89x = 1,040,528.19 × 409,837.63
  4. Step 4: Simplify right side
    754,000.89x = 426,447,607,337.79
  5. Step 5: Solve for x
    x = 426,447,607,337.79/754,000.89
  6. Step 6: Final answer
    x = 565,579.71

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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.