Home / 753,193.76-1,039,404.16-409,027.28

Finding the Fourth Proportional to 753,193.76, 1,039,404.16 and 409,027.28

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Solution

The fourth proportional to 753,193.76, 1,039,404.16 and 409,027.28 is: 564,455.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,193.76 : 1,039,404.16 = 409,027.28 : x
  2. Step 2: Convert to fraction form
    753,193.76/1,039,404.16 = 409,027.28/x
  3. Step 3: Cross multiply
    753,193.76x = 1,039,404.16 × 409,027.28
  4. Step 4: Simplify right side
    753,193.76x = 425,144,656,385.49
  5. Step 5: Solve for x
    x = 425,144,656,385.49/753,193.76
  6. Step 6: Final answer
    x = 564,455.89

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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.