Home / 502,101.75-692,899.56-275,747.25

Finding the Fourth Proportional to 502,101.75, 692,899.56 and 275,747.25

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Solution

The fourth proportional to 502,101.75, 692,899.56 and 275,747.25 is: 380,530.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,101.75 : 692,899.56 = 275,747.25 : x
  2. Step 2: Convert to fraction form
    502,101.75/692,899.56 = 275,747.25/x
  3. Step 3: Cross multiply
    502,101.75x = 692,899.56 × 275,747.25
  4. Step 4: Simplify right side
    502,101.75x = 191,065,148,196.21
  5. Step 5: Solve for x
    x = 191,065,148,196.21/502,101.75
  6. Step 6: Final answer
    x = 380,530.74

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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.