Home / 1,411,145.08-1,947,381.78-766,565.26

Finding the Fourth Proportional to 1,411,145.08, 1,947,381.78 and 766,565.26

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Solution

The fourth proportional to 1,411,145.08, 1,947,381.78 and 766,565.26 is: 1,057,860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,145.08 : 1,947,381.78 = 766,565.26 : x
  2. Step 2: Convert to fraction form
    1,411,145.08/1,947,381.78 = 766,565.26/x
  3. Step 3: Cross multiply
    1,411,145.08x = 1,947,381.78 × 766,565.26
  4. Step 4: Simplify right side
    1,411,145.08x = 1,492,795,220,504.96
  5. Step 5: Solve for x
    x = 1,492,795,220,504.96/1,411,145.08
  6. Step 6: Final answer
    x = 1,057,860.91

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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.