Home / 758,917.62-1,047,265.11-419,364

Finding the Fourth Proportional to 758,917.62, 1,047,265.11 and 419,364

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Solution

The fourth proportional to 758,917.62, 1,047,265.11 and 419,364 is: 578,699.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,917.62 : 1,047,265.11 = 419,364 : x
  2. Step 2: Convert to fraction form
    758,917.62/1,047,265.11 = 419,364/x
  3. Step 3: Cross multiply
    758,917.62x = 1,047,265.11 × 419,364
  4. Step 4: Simplify right side
    758,917.62x = 439,185,285,590.04
  5. Step 5: Solve for x
    x = 439,185,285,590.04/758,917.62
  6. Step 6: Final answer
    x = 578,699.55

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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.