Home / 864,063.90-1,295,982.02-256,839.24

Finding the Fourth Proportional to 864,063.90, 1,295,982.02 and 256,839.24

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Solution

The fourth proportional to 864,063.90, 1,295,982.02 and 256,839.24 is: 385,225.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,063.90 : 1,295,982.02 = 256,839.24 : x
  2. Step 2: Convert to fraction form
    864,063.90/1,295,982.02 = 256,839.24/x
  3. Step 3: Cross multiply
    864,063.90x = 1,295,982.02 × 256,839.24
  4. Step 4: Simplify right side
    864,063.90x = 332,859,037,070.47
  5. Step 5: Solve for x
    x = 332,859,037,070.47/864,063.90
  6. Step 6: Final answer
    x = 385,225.02

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1.5x scale

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.