Home / 1,411,218.32-1,947,494.76-766,643.36

Finding the Fourth Proportional to 1,411,218.32, 1,947,494.76 and 766,643.36

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Solution

The fourth proportional to 1,411,218.32, 1,947,494.76 and 766,643.36 is: 1,057,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,218.32 : 1,947,494.76 = 766,643.36 : x
  2. Step 2: Convert to fraction form
    1,411,218.32/1,947,494.76 = 766,643.36/x
  3. Step 3: Cross multiply
    1,411,218.32x = 1,947,494.76 × 766,643.36
  4. Step 4: Simplify right side
    1,411,218.32x = 1,493,033,926,388.79
  5. Step 5: Solve for x
    x = 1,493,033,926,388.79/1,411,218.32
  6. Step 6: Final answer
    x = 1,057,975.16

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Similar ratio
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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.