Home / 750,827.36-1,036,158.46-428,530.96

Finding the Fourth Proportional to 750,827.36, 1,036,158.46 and 428,530.96

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Solution

The fourth proportional to 750,827.36, 1,036,158.46 and 428,530.96 is: 591,382.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,827.36 : 1,036,158.46 = 428,530.96 : x
  2. Step 2: Convert to fraction form
    750,827.36/1,036,158.46 = 428,530.96/x
  3. Step 3: Cross multiply
    750,827.36x = 1,036,158.46 × 428,530.96
  4. Step 4: Simplify right side
    750,827.36x = 444,025,979,575.92
  5. Step 5: Solve for x
    x = 444,025,979,575.92/750,827.36
  6. Step 6: Final answer
    x = 591,382.26

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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.