Home / 584,865.18-807,022.62-330,210.90

Finding the Fourth Proportional to 584,865.18, 807,022.62 and 330,210.90

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Solution

The fourth proportional to 584,865.18, 807,022.62 and 330,210.90 is: 455,639.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,865.18 : 807,022.62 = 330,210.90 : x
  2. Step 2: Convert to fraction form
    584,865.18/807,022.62 = 330,210.90/x
  3. Step 3: Cross multiply
    584,865.18x = 807,022.62 × 330,210.90
  4. Step 4: Simplify right side
    584,865.18x = 266,487,665,670.56
  5. Step 5: Solve for x
    x = 266,487,665,670.56/584,865.18
  6. Step 6: Final answer
    x = 455,639.48

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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.