Home / 555,548.24-766,653-313,909.04

Finding the Fourth Proportional to 555,548.24, 766,653 and 313,909.04

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Solution

The fourth proportional to 555,548.24, 766,653 and 313,909.04 is: 433,192.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,548.24 : 766,653 = 313,909.04 : x
  2. Step 2: Convert to fraction form
    555,548.24/766,653 = 313,909.04/x
  3. Step 3: Cross multiply
    555,548.24x = 766,653 × 313,909.04
  4. Step 4: Simplify right side
    555,548.24x = 240,659,307,243.12
  5. Step 5: Solve for x
    x = 240,659,307,243.12/555,548.24
  6. Step 6: Final answer
    x = 433,192.46

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1.5x scale

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.