Home / 1,578,820.44-2,178,772.08-853,667.94

Finding the Fourth Proportional to 1,578,820.44, 2,178,772.08 and 853,667.94

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Solution

The fourth proportional to 1,578,820.44, 2,178,772.08 and 853,667.94 is: 1,178,061.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,820.44 : 2,178,772.08 = 853,667.94 : x
  2. Step 2: Convert to fraction form
    1,578,820.44/2,178,772.08 = 853,667.94/x
  3. Step 3: Cross multiply
    1,578,820.44x = 2,178,772.08 × 853,667.94
  4. Step 4: Simplify right side
    1,578,820.44x = 1,859,947,873,263.12
  5. Step 5: Solve for x
    x = 1,859,947,873,263.12/1,578,820.44
  6. Step 6: Final answer
    x = 1,178,061.69

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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.