Home / 970,049.52-1,338,708.96-540,329.04

Finding the Fourth Proportional to 970,049.52, 1,338,708.96 and 540,329.04

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Solution

The fourth proportional to 970,049.52, 1,338,708.96 and 540,329.04 is: 745,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,049.52 : 1,338,708.96 = 540,329.04 : x
  2. Step 2: Convert to fraction form
    970,049.52/1,338,708.96 = 540,329.04/x
  3. Step 3: Cross multiply
    970,049.52x = 1,338,708.96 × 540,329.04
  4. Step 4: Simplify right side
    970,049.52x = 723,343,327,196.20
  5. Step 5: Solve for x
    x = 723,343,327,196.20/970,049.52
  6. Step 6: Final answer
    x = 745,676.70

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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.