Home / 970,274.72-1,338,945.28-540,532.64

Finding the Fourth Proportional to 970,274.72, 1,338,945.28 and 540,532.64

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Solution

The fourth proportional to 970,274.72, 1,338,945.28 and 540,532.64 is: 745,916.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,274.72 : 1,338,945.28 = 540,532.64 : x
  2. Step 2: Convert to fraction form
    970,274.72/1,338,945.28 = 540,532.64/x
  3. Step 3: Cross multiply
    970,274.72x = 1,338,945.28 × 540,532.64
  4. Step 4: Simplify right side
    970,274.72x = 723,743,627,013.94
  5. Step 5: Solve for x
    x = 723,743,627,013.94/970,274.72
  6. Step 6: Final answer
    x = 745,916.19

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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.