Home / 598,101.80-896,115.90-387,631.40

Finding the Fourth Proportional to 598,101.80, 896,115.90 and 387,631.40

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Solution

The fourth proportional to 598,101.80, 896,115.90 and 387,631.40 is: 580,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,101.80 : 896,115.90 = 387,631.40 : x
  2. Step 2: Convert to fraction form
    598,101.80/896,115.90 = 387,631.40/x
  3. Step 3: Cross multiply
    598,101.80x = 896,115.90 × 387,631.40
  4. Step 4: Simplify right side
    598,101.80x = 347,362,660,879.26
  5. Step 5: Solve for x
    x = 347,362,660,879.26/598,101.80
  6. Step 6: Final answer
    x = 580,775.15

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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.