Home / 1,185,370.80-1,635,795.18-676,081.68

Finding the Fourth Proportional to 1,185,370.80, 1,635,795.18 and 676,081.68

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Solution

The fourth proportional to 1,185,370.80, 1,635,795.18 and 676,081.68 is: 932,983.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,370.80 : 1,635,795.18 = 676,081.68 : x
  2. Step 2: Convert to fraction form
    1,185,370.80/1,635,795.18 = 676,081.68/x
  3. Step 3: Cross multiply
    1,185,370.80x = 1,635,795.18 × 676,081.68
  4. Step 4: Simplify right side
    1,185,370.80x = 1,105,931,153,430.30
  5. Step 5: Solve for x
    x = 1,105,931,153,430.30/1,185,370.80
  6. Step 6: Final answer
    x = 932,983.29

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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.