Home / 1,284,402.91-1,772,534.37-711,443.02

Finding the Fourth Proportional to 1,284,402.91, 1,772,534.37 and 711,443.02

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Solution

The fourth proportional to 1,284,402.91, 1,772,534.37 and 711,443.02 is: 981,823.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,402.91 : 1,772,534.37 = 711,443.02 : x
  2. Step 2: Convert to fraction form
    1,284,402.91/1,772,534.37 = 711,443.02/x
  3. Step 3: Cross multiply
    1,284,402.91x = 1,772,534.37 × 711,443.02
  4. Step 4: Simplify right side
    1,284,402.91x = 1,261,057,205,246.60
  5. Step 5: Solve for x
    x = 1,261,057,205,246.60/1,284,402.91
  6. Step 6: Final answer
    x = 981,823.69

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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.