Home / 919,524.11-1,268,931.08-517,116.11

Finding the Fourth Proportional to 919,524.11, 1,268,931.08 and 517,116.11

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Solution

The fourth proportional to 919,524.11, 1,268,931.08 and 517,116.11 is: 713,613.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,524.11 : 1,268,931.08 = 517,116.11 : x
  2. Step 2: Convert to fraction form
    919,524.11/1,268,931.08 = 517,116.11/x
  3. Step 3: Cross multiply
    919,524.11x = 1,268,931.08 × 517,116.11
  4. Step 4: Simplify right side
    919,524.11x = 656,184,703,947.70
  5. Step 5: Solve for x
    x = 656,184,703,947.70/919,524.11
  6. Step 6: Final answer
    x = 713,613.38

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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.