Home / 750,801.08-1,036,122.22-428,504.71

Finding the Fourth Proportional to 750,801.08, 1,036,122.22 and 428,504.71

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Solution

The fourth proportional to 750,801.08, 1,036,122.22 and 428,504.71 is: 591,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,801.08 : 1,036,122.22 = 428,504.71 : x
  2. Step 2: Convert to fraction form
    750,801.08/1,036,122.22 = 428,504.71/x
  3. Step 3: Cross multiply
    750,801.08x = 1,036,122.22 × 428,504.71
  4. Step 4: Simplify right side
    750,801.08x = 443,983,251,405.66
  5. Step 5: Solve for x
    x = 443,983,251,405.66/750,801.08
  6. Step 6: Final answer
    x = 591,346.05

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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.