Home / 1,284,563.43-1,772,697.56-711,640.71

Finding the Fourth Proportional to 1,284,563.43, 1,772,697.56 and 711,640.71

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Solution

The fourth proportional to 1,284,563.43, 1,772,697.56 and 711,640.71 is: 982,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,563.43 : 1,772,697.56 = 711,640.71 : x
  2. Step 2: Convert to fraction form
    1,284,563.43/1,772,697.56 = 711,640.71/x
  3. Step 3: Cross multiply
    1,284,563.43x = 1,772,697.56 × 711,640.71
  4. Step 4: Simplify right side
    1,284,563.43x = 1,261,523,746,655.46
  5. Step 5: Solve for x
    x = 1,261,523,746,655.46/1,284,563.43
  6. Step 6: Final answer
    x = 982,064.19

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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.