Home / 619,427.93-928,358.15-353,338.07

Finding the Fourth Proportional to 619,427.93, 928,358.15 and 353,338.07

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Solution

The fourth proportional to 619,427.93, 928,358.15 and 353,338.07 is: 529,560.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,427.93 : 928,358.15 = 353,338.07 : x
  2. Step 2: Convert to fraction form
    619,427.93/928,358.15 = 353,338.07/x
  3. Step 3: Cross multiply
    619,427.93x = 928,358.15 × 353,338.07
  4. Step 4: Simplify right side
    619,427.93x = 328,024,270,581.29
  5. Step 5: Solve for x
    x = 328,024,270,581.29/619,427.93
  6. Step 6: Final answer
    x = 529,560.03

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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.