Home / 1,411,057.68-1,947,294.72-766,477.68

Finding the Fourth Proportional to 1,411,057.68, 1,947,294.72 and 766,477.68

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Solution

The fourth proportional to 1,411,057.68, 1,947,294.72 and 766,477.68 is: 1,057,758.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,057.68 : 1,947,294.72 = 766,477.68 : x
  2. Step 2: Convert to fraction form
    1,411,057.68/1,947,294.72 = 766,477.68/x
  3. Step 3: Cross multiply
    1,411,057.68x = 1,947,294.72 × 766,477.68
  4. Step 4: Simplify right side
    1,411,057.68x = 1,492,557,939,261.85
  5. Step 5: Solve for x
    x = 1,492,557,939,261.85/1,411,057.68
  6. Step 6: Final answer
    x = 1,057,758.28

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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.