Home / 1,234,319.61-1,851,000.75-424,550.06

Finding the Fourth Proportional to 1,234,319.61, 1,851,000.75 and 424,550.06

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Solution

The fourth proportional to 1,234,319.61, 1,851,000.75 and 424,550.06 is: 636,660.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,319.61 : 1,851,000.75 = 424,550.06 : x
  2. Step 2: Convert to fraction form
    1,234,319.61/1,851,000.75 = 424,550.06/x
  3. Step 3: Cross multiply
    1,234,319.61x = 1,851,000.75 × 424,550.06
  4. Step 4: Simplify right side
    1,234,319.61x = 785,842,470,217.54
  5. Step 5: Solve for x
    x = 785,842,470,217.54/1,234,319.61
  6. Step 6: Final answer
    x = 636,660.44

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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.