Home / 630,116.30-945,232.05-256,061.90

Finding the Fourth Proportional to 630,116.30, 945,232.05 and 256,061.90

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Solution

The fourth proportional to 630,116.30, 945,232.05 and 256,061.90 is: 384,116.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,116.30 : 945,232.05 = 256,061.90 : x
  2. Step 2: Convert to fraction form
    630,116.30/945,232.05 = 256,061.90/x
  3. Step 3: Cross multiply
    630,116.30x = 945,232.05 × 256,061.90
  4. Step 4: Simplify right side
    630,116.30x = 242,037,914,663.90
  5. Step 5: Solve for x
    x = 242,037,914,663.90/630,116.30
  6. Step 6: Final answer
    x = 384,116.26

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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.