Home / 544,526.30-751,336.17-318,128.06

Finding the Fourth Proportional to 544,526.30, 751,336.17 and 318,128.06

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Solution

The fourth proportional to 544,526.30, 751,336.17 and 318,128.06 is: 438,952.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,526.30 : 751,336.17 = 318,128.06 : x
  2. Step 2: Convert to fraction form
    544,526.30/751,336.17 = 318,128.06/x
  3. Step 3: Cross multiply
    544,526.30x = 751,336.17 × 318,128.06
  4. Step 4: Simplify right side
    544,526.30x = 239,021,118,169.93
  5. Step 5: Solve for x
    x = 239,021,118,169.93/544,526.30
  6. Step 6: Final answer
    x = 438,952.39

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Double scale
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Similar ratio
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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.