Home / 897,373.61-1,238,379.46-489,484.22

Finding the Fourth Proportional to 897,373.61, 1,238,379.46 and 489,484.22

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Solution

The fourth proportional to 897,373.61, 1,238,379.46 and 489,484.22 is: 675,490.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,373.61 : 1,238,379.46 = 489,484.22 : x
  2. Step 2: Convert to fraction form
    897,373.61/1,238,379.46 = 489,484.22/x
  3. Step 3: Cross multiply
    897,373.61x = 1,238,379.46 × 489,484.22
  4. Step 4: Simplify right side
    897,373.61x = 606,167,204,042.12
  5. Step 5: Solve for x
    x = 606,167,204,042.12/897,373.61
  6. Step 6: Final answer
    x = 675,490.34

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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.