Home / 1,385,418.56-1,911,910.08-773,550.63

Finding the Fourth Proportional to 1,385,418.56, 1,911,910.08 and 773,550.63

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Solution

The fourth proportional to 1,385,418.56, 1,911,910.08 and 773,550.63 is: 1,067,518.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,418.56 : 1,911,910.08 = 773,550.63 : x
  2. Step 2: Convert to fraction form
    1,385,418.56/1,911,910.08 = 773,550.63/x
  3. Step 3: Cross multiply
    1,385,418.56x = 1,911,910.08 × 773,550.63
  4. Step 4: Simplify right side
    1,385,418.56x = 1,478,959,246,887.35
  5. Step 5: Solve for x
    x = 1,478,959,246,887.35/1,385,418.56
  6. Step 6: Final answer
    x = 1,067,518.00

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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.