Home / 692,864.55-1,039,355.75-243,546.62

Finding the Fourth Proportional to 692,864.55, 1,039,355.75 and 243,546.62

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Solution

The fourth proportional to 692,864.55, 1,039,355.75 and 243,546.62 is: 365,340.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,864.55 : 1,039,355.75 = 243,546.62 : x
  2. Step 2: Convert to fraction form
    692,864.55/1,039,355.75 = 243,546.62/x
  3. Step 3: Cross multiply
    692,864.55x = 1,039,355.75 × 243,546.62
  4. Step 4: Simplify right side
    692,864.55x = 253,131,575,302.15
  5. Step 5: Solve for x
    x = 253,131,575,302.15/692,864.55
  6. Step 6: Final answer
    x = 365,340.64

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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.