Home / 1,588,797.28-2,192,561.40-863,656.12

Finding the Fourth Proportional to 1,588,797.28, 2,192,561.40 and 863,656.12

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Solution

The fourth proportional to 1,588,797.28, 2,192,561.40 and 863,656.12 is: 1,191,856.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,797.28 : 2,192,561.40 = 863,656.12 : x
  2. Step 2: Convert to fraction form
    1,588,797.28/2,192,561.40 = 863,656.12/x
  3. Step 3: Cross multiply
    1,588,797.28x = 2,192,561.40 × 863,656.12
  4. Step 4: Simplify right side
    1,588,797.28x = 1,893,619,071,585.77
  5. Step 5: Solve for x
    x = 1,893,619,071,585.77/1,588,797.28
  6. Step 6: Final answer
    x = 1,191,856.94

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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.