Home / 976,945.20-1,348,842.24-609,981.06

Finding the Fourth Proportional to 976,945.20, 1,348,842.24 and 609,981.06

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Solution

The fourth proportional to 976,945.20, 1,348,842.24 and 609,981.06 is: 842,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,945.20 : 1,348,842.24 = 609,981.06 : x
  2. Step 2: Convert to fraction form
    976,945.20/1,348,842.24 = 609,981.06/x
  3. Step 3: Cross multiply
    976,945.20x = 1,348,842.24 × 609,981.06
  4. Step 4: Simplify right side
    976,945.20x = 822,768,219,327.98
  5. Step 5: Solve for x
    x = 822,768,219,327.98/976,945.20
  6. Step 6: Final answer
    x = 842,184.62

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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.