Home / 1,284,270.16-1,772,214.96-711,276.16

Finding the Fourth Proportional to 1,284,270.16, 1,772,214.96 and 711,276.16

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Solution

The fourth proportional to 1,284,270.16, 1,772,214.96 and 711,276.16 is: 981,517.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,270.16 : 1,772,214.96 = 711,276.16 : x
  2. Step 2: Convert to fraction form
    1,284,270.16/1,772,214.96 = 711,276.16/x
  3. Step 3: Cross multiply
    1,284,270.16x = 1,772,214.96 × 711,276.16
  4. Step 4: Simplify right side
    1,284,270.16x = 1,260,534,251,443.35
  5. Step 5: Solve for x
    x = 1,260,534,251,443.35/1,284,270.16
  6. Step 6: Final answer
    x = 981,517.98

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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.