Home / 1,186,818.06-1,637,806.73-642,967.43

Finding the Fourth Proportional to 1,186,818.06, 1,637,806.73 and 642,967.43

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Solution

The fourth proportional to 1,186,818.06, 1,637,806.73 and 642,967.43 is: 887,293.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,818.06 : 1,637,806.73 = 642,967.43 : x
  2. Step 2: Convert to fraction form
    1,186,818.06/1,637,806.73 = 642,967.43/x
  3. Step 3: Cross multiply
    1,186,818.06x = 1,637,806.73 × 642,967.43
  4. Step 4: Simplify right side
    1,186,818.06x = 1,053,056,372,620.93
  5. Step 5: Solve for x
    x = 1,053,056,372,620.93/1,186,818.06
  6. Step 6: Final answer
    x = 887,293.86

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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.