Home / 1,191,767.49-1,644,657.85-647,905.35

Finding the Fourth Proportional to 1,191,767.49, 1,644,657.85 and 647,905.35

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Solution

The fourth proportional to 1,191,767.49, 1,644,657.85 and 647,905.35 is: 894,119.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,767.49 : 1,644,657.85 = 647,905.35 : x
  2. Step 2: Convert to fraction form
    1,191,767.49/1,644,657.85 = 647,905.35/x
  3. Step 3: Cross multiply
    1,191,767.49x = 1,644,657.85 × 647,905.35
  4. Step 4: Simplify right side
    1,191,767.49x = 1,065,582,619,934.50
  5. Step 5: Solve for x
    x = 1,065,582,619,934.50/1,191,767.49
  6. Step 6: Final answer
    x = 894,119.56

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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.