Home / 586,721.56-879,940.08-160,259.38

Finding the Fourth Proportional to 586,721.56, 879,940.08 and 160,259.38

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Solution

The fourth proportional to 586,721.56, 879,940.08 and 160,259.38 is: 240,350.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,721.56 : 879,940.08 = 160,259.38 : x
  2. Step 2: Convert to fraction form
    586,721.56/879,940.08 = 160,259.38/x
  3. Step 3: Cross multiply
    586,721.56x = 879,940.08 × 160,259.38
  4. Step 4: Simplify right side
    586,721.56x = 141,018,651,657.95
  5. Step 5: Solve for x
    x = 141,018,651,657.95/586,721.56
  6. Step 6: Final answer
    x = 240,350.21

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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.