Home / 885,628.35-1,328,442.53-619,689.15

Finding the Fourth Proportional to 885,628.35, 1,328,442.53 and 619,689.15

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Solution

The fourth proportional to 885,628.35, 1,328,442.53 and 619,689.15 is: 929,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,628.35 : 1,328,442.53 = 619,689.15 : x
  2. Step 2: Convert to fraction form
    885,628.35/1,328,442.53 = 619,689.15/x
  3. Step 3: Cross multiply
    885,628.35x = 1,328,442.53 × 619,689.15
  4. Step 4: Simplify right side
    885,628.35x = 823,221,419,141.10
  5. Step 5: Solve for x
    x = 823,221,419,141.10/885,628.35
  6. Step 6: Final answer
    x = 929,533.73

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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.