Home / 498,430.31-747,645.39-275,210.06

Finding the Fourth Proportional to 498,430.31, 747,645.39 and 275,210.06

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Solution

The fourth proportional to 498,430.31, 747,645.39 and 275,210.06 is: 412,815.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,430.31 : 747,645.39 = 275,210.06 : x
  2. Step 2: Convert to fraction form
    498,430.31/747,645.39 = 275,210.06/x
  3. Step 3: Cross multiply
    498,430.31x = 747,645.39 × 275,210.06
  4. Step 4: Simplify right side
    498,430.31x = 205,759,528,902.40
  5. Step 5: Solve for x
    x = 205,759,528,902.40/498,430.31
  6. Step 6: Final answer
    x = 412,815.05

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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.