Home / 656,312.10-984,176.55-256,820.10

Finding the Fourth Proportional to 656,312.10, 984,176.55 and 256,820.10

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Solution

The fourth proportional to 656,312.10, 984,176.55 and 256,820.10 is: 385,116.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,312.10 : 984,176.55 = 256,820.10 : x
  2. Step 2: Convert to fraction form
    656,312.10/984,176.55 = 256,820.10/x
  3. Step 3: Cross multiply
    656,312.10x = 984,176.55 × 256,820.10
  4. Step 4: Simplify right side
    656,312.10x = 252,756,319,988.66
  5. Step 5: Solve for x
    x = 252,756,319,988.66/656,312.10
  6. Step 6: Final answer
    x = 385,116.04

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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.