Home / 1,328,467.77-1,833,232.71-784,778.16

Finding the Fourth Proportional to 1,328,467.77, 1,833,232.71 and 784,778.16

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Solution

The fourth proportional to 1,328,467.77, 1,833,232.71 and 784,778.16 is: 1,082,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,467.77 : 1,833,232.71 = 784,778.16 : x
  2. Step 2: Convert to fraction form
    1,328,467.77/1,833,232.71 = 784,778.16/x
  3. Step 3: Cross multiply
    1,328,467.77x = 1,833,232.71 × 784,778.16
  4. Step 4: Simplify right side
    1,328,467.77x = 1,438,680,993,005.61
  5. Step 5: Solve for x
    x = 1,438,680,993,005.61/1,328,467.77
  6. Step 6: Final answer
    x = 1,082,962.66

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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.