Home / 858,301.11-1,185,438.56-565,260.80

Finding the Fourth Proportional to 858,301.11, 1,185,438.56 and 565,260.80

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Solution

The fourth proportional to 858,301.11, 1,185,438.56 and 565,260.80 is: 780,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,301.11 : 1,185,438.56 = 565,260.80 : x
  2. Step 2: Convert to fraction form
    858,301.11/1,185,438.56 = 565,260.80/x
  3. Step 3: Cross multiply
    858,301.11x = 1,185,438.56 × 565,260.80
  4. Step 4: Simplify right side
    858,301.11x = 670,081,944,262.41
  5. Step 5: Solve for x
    x = 670,081,944,262.41/858,301.11
  6. Step 6: Final answer
    x = 780,707.30

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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.