Home / 498,212.35-747,318.53-470,656.15

Finding the Fourth Proportional to 498,212.35, 747,318.53 and 470,656.15

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Solution

The fourth proportional to 498,212.35, 747,318.53 and 470,656.15 is: 705,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,212.35 : 747,318.53 = 470,656.15 : x
  2. Step 2: Convert to fraction form
    498,212.35/747,318.53 = 470,656.15/x
  3. Step 3: Cross multiply
    498,212.35x = 747,318.53 × 470,656.15
  4. Step 4: Simplify right side
    498,212.35x = 351,730,059,800.18
  5. Step 5: Solve for x
    x = 351,730,059,800.18/498,212.35
  6. Step 6: Final answer
    x = 705,984.23

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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.