Home / 864,041.53-1,295,948.50-256,816.89

Finding the Fourth Proportional to 864,041.53, 1,295,948.50 and 256,816.89

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Solution

The fourth proportional to 864,041.53, 1,295,948.50 and 256,816.89 is: 385,191.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,041.53 : 1,295,948.50 = 256,816.89 : x
  2. Step 2: Convert to fraction form
    864,041.53/1,295,948.50 = 256,816.89/x
  3. Step 3: Cross multiply
    864,041.53x = 1,295,948.50 × 256,816.89
  4. Step 4: Simplify right side
    864,041.53x = 332,821,463,370.17
  5. Step 5: Solve for x
    x = 332,821,463,370.17/864,041.53
  6. Step 6: Final answer
    x = 385,191.51

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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.