Home / 623,834.67-931,239.42-548,166.90

Finding the Fourth Proportional to 623,834.67, 931,239.42 and 548,166.90

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Solution

The fourth proportional to 623,834.67, 931,239.42 and 548,166.90 is: 818,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,834.67 : 931,239.42 = 548,166.90 : x
  2. Step 2: Convert to fraction form
    623,834.67/931,239.42 = 548,166.90/x
  3. Step 3: Cross multiply
    623,834.67x = 931,239.42 × 548,166.90
  4. Step 4: Simplify right side
    623,834.67x = 510,474,626,019.20
  5. Step 5: Solve for x
    x = 510,474,626,019.20/623,834.67
  6. Step 6: Final answer
    x = 818,285.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.