Home / 970,176.24-1,338,884.51-540,456.26

Finding the Fourth Proportional to 970,176.24, 1,338,884.51 and 540,456.26

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Solution

The fourth proportional to 970,176.24, 1,338,884.51 and 540,456.26 is: 745,852.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,176.24 : 1,338,884.51 = 540,456.26 : x
  2. Step 2: Convert to fraction form
    970,176.24/1,338,884.51 = 540,456.26/x
  3. Step 3: Cross multiply
    970,176.24x = 1,338,884.51 × 540,456.26
  4. Step 4: Simplify right side
    970,176.24x = 723,608,505,449.83
  5. Step 5: Solve for x
    x = 723,608,505,449.83/970,176.24
  6. Step 6: Final answer
    x = 745,852.64

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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.