Home / 755,036.22-1,041,715.38-428,295.42

Finding the Fourth Proportional to 755,036.22, 1,041,715.38 and 428,295.42

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Solution

The fourth proportional to 755,036.22, 1,041,715.38 and 428,295.42 is: 590,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,036.22 : 1,041,715.38 = 428,295.42 : x
  2. Step 2: Convert to fraction form
    755,036.22/1,041,715.38 = 428,295.42/x
  3. Step 3: Cross multiply
    755,036.22x = 1,041,715.38 × 428,295.42
  4. Step 4: Simplify right side
    755,036.22x = 446,161,926,197.56
  5. Step 5: Solve for x
    x = 446,161,926,197.56/755,036.22
  6. Step 6: Final answer
    x = 590,914.60

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Double scale
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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.