Home / 858,398.22-1,184,315.31-495,774.18

Finding the Fourth Proportional to 858,398.22, 1,184,315.31 and 495,774.18

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Solution

The fourth proportional to 858,398.22, 1,184,315.31 and 495,774.18 is: 684,009.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,398.22 : 1,184,315.31 = 495,774.18 : x
  2. Step 2: Convert to fraction form
    858,398.22/1,184,315.31 = 495,774.18/x
  3. Step 3: Cross multiply
    858,398.22x = 1,184,315.31 × 495,774.18
  4. Step 4: Simplify right side
    858,398.22x = 587,152,951,676.70
  5. Step 5: Solve for x
    x = 587,152,951,676.70/858,398.22
  6. Step 6: Final answer
    x = 684,009.98

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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.