Home / 680,741.28-939,680.01-535,167.27

Finding the Fourth Proportional to 680,741.28, 939,680.01 and 535,167.27

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Solution

The fourth proportional to 680,741.28, 939,680.01 and 535,167.27 is: 738,732.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,741.28 : 939,680.01 = 535,167.27 : x
  2. Step 2: Convert to fraction form
    680,741.28/939,680.01 = 535,167.27/x
  3. Step 3: Cross multiply
    680,741.28x = 939,680.01 × 535,167.27
  4. Step 4: Simplify right side
    680,741.28x = 502,885,985,625.27
  5. Step 5: Solve for x
    x = 502,885,985,625.27/680,741.28
  6. Step 6: Final answer
    x = 738,732.91

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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.