Home / 950,638.55-1,311,881.20-548,230.55

Finding the Fourth Proportional to 950,638.55, 1,311,881.20 and 548,230.55

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Solution

The fourth proportional to 950,638.55, 1,311,881.20 and 548,230.55 is: 756,558.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,638.55 : 1,311,881.20 = 548,230.55 : x
  2. Step 2: Convert to fraction form
    950,638.55/1,311,881.20 = 548,230.55/x
  3. Step 3: Cross multiply
    950,638.55x = 1,311,881.20 × 548,230.55
  4. Step 4: Simplify right side
    950,638.55x = 719,213,351,810.66
  5. Step 5: Solve for x
    x = 719,213,351,810.66/950,638.55
  6. Step 6: Final answer
    x = 756,558.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.