Home / 1,020,841.72-1,408,842.93-591,129.43

Finding the Fourth Proportional to 1,020,841.72, 1,408,842.93 and 591,129.43

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Solution

The fourth proportional to 1,020,841.72, 1,408,842.93 and 591,129.43 is: 815,805.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,841.72 : 1,408,842.93 = 591,129.43 : x
  2. Step 2: Convert to fraction form
    1,020,841.72/1,408,842.93 = 591,129.43/x
  3. Step 3: Cross multiply
    1,020,841.72x = 1,408,842.93 × 591,129.43
  4. Step 4: Simplify right side
    1,020,841.72x = 832,808,518,170.43
  5. Step 5: Solve for x
    x = 832,808,518,170.43/1,020,841.72
  6. Step 6: Final answer
    x = 815,805.72

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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.