Home / 621,565.41-857,769.03-366,916.53

Finding the Fourth Proportional to 621,565.41, 857,769.03 and 366,916.53

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Solution

The fourth proportional to 621,565.41, 857,769.03 and 366,916.53 is: 506,349.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,565.41 : 857,769.03 = 366,916.53 : x
  2. Step 2: Convert to fraction form
    621,565.41/857,769.03 = 366,916.53/x
  3. Step 3: Cross multiply
    621,565.41x = 857,769.03 × 366,916.53
  4. Step 4: Simplify right side
    621,565.41x = 314,729,636,029.07
  5. Step 5: Solve for x
    x = 314,729,636,029.07/621,565.41
  6. Step 6: Final answer
    x = 506,349.98

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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.