Home / 1,116,818.78-1,541,208.75-607,519.94

Finding the Fourth Proportional to 1,116,818.78, 1,541,208.75 and 607,519.94

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Solution

The fourth proportional to 1,116,818.78, 1,541,208.75 and 607,519.94 is: 838,376.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,818.78 : 1,541,208.75 = 607,519.94 : x
  2. Step 2: Convert to fraction form
    1,116,818.78/1,541,208.75 = 607,519.94/x
  3. Step 3: Cross multiply
    1,116,818.78x = 1,541,208.75 × 607,519.94
  4. Step 4: Simplify right side
    1,116,818.78x = 936,315,047,327.48
  5. Step 5: Solve for x
    x = 936,315,047,327.48/1,116,818.78
  6. Step 6: Final answer
    x = 838,376.88

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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.