Home / 919,182.66-1,268,472.01-516,774.66

Finding the Fourth Proportional to 919,182.66, 1,268,472.01 and 516,774.66

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Solution

The fourth proportional to 919,182.66, 1,268,472.01 and 516,774.66 is: 713,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,182.66 : 1,268,472.01 = 516,774.66 : x
  2. Step 2: Convert to fraction form
    919,182.66/1,268,472.01 = 516,774.66/x
  3. Step 3: Cross multiply
    919,182.66x = 1,268,472.01 × 516,774.66
  4. Step 4: Simplify right side
    919,182.66x = 655,514,191,687.27
  5. Step 5: Solve for x
    x = 655,514,191,687.27/919,182.66
  6. Step 6: Final answer
    x = 713,149.00

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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.