Home / 970,066.56-1,338,514.44-540,335.76

Finding the Fourth Proportional to 970,066.56, 1,338,514.44 and 540,335.76

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Solution

The fourth proportional to 970,066.56, 1,338,514.44 and 540,335.76 is: 745,564.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,066.56 : 1,338,514.44 = 540,335.76 : x
  2. Step 2: Convert to fraction form
    970,066.56/1,338,514.44 = 540,335.76/x
  3. Step 3: Cross multiply
    970,066.56x = 1,338,514.44 × 540,335.76
  4. Step 4: Simplify right side
    970,066.56x = 723,247,217,208.37
  5. Step 5: Solve for x
    x = 723,247,217,208.37/970,066.56
  6. Step 6: Final answer
    x = 745,564.53

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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.