Home / 919,182.16-1,268,471.32-516,774.16

Finding the Fourth Proportional to 919,182.16, 1,268,471.32 and 516,774.16

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Solution

The fourth proportional to 919,182.16, 1,268,471.32 and 516,774.16 is: 713,148.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,182.16 : 1,268,471.32 = 516,774.16 : x
  2. Step 2: Convert to fraction form
    919,182.16/1,268,471.32 = 516,774.16/x
  3. Step 3: Cross multiply
    919,182.16x = 1,268,471.32 × 516,774.16
  4. Step 4: Simplify right side
    919,182.16x = 655,513,200,877.09
  5. Step 5: Solve for x
    x = 655,513,200,877.09/919,182.16
  6. Step 6: Final answer
    x = 713,148.31

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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.