Home / 1,490,575.56-2,235,864.03-479,697.38

Finding the Fourth Proportional to 1,490,575.56, 2,235,864.03 and 479,697.38

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Solution

The fourth proportional to 1,490,575.56, 2,235,864.03 and 479,697.38 is: 719,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,575.56 : 2,235,864.03 = 479,697.38 : x
  2. Step 2: Convert to fraction form
    1,490,575.56/2,235,864.03 = 479,697.38/x
  3. Step 3: Cross multiply
    1,490,575.56x = 2,235,864.03 × 479,697.38
  4. Step 4: Simplify right side
    1,490,575.56x = 1,072,538,125,210.28
  5. Step 5: Solve for x
    x = 1,072,538,125,210.28/1,490,575.56
  6. Step 6: Final answer
    x = 719,546.30

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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.