Home / 380,177.94-524,587.05-219,001.50

Finding the Fourth Proportional to 380,177.94, 524,587.05 and 219,001.50

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Solution

The fourth proportional to 380,177.94, 524,587.05 and 219,001.50 is: 302,188.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,177.94 : 524,587.05 = 219,001.50 : x
  2. Step 2: Convert to fraction form
    380,177.94/524,587.05 = 219,001.50/x
  3. Step 3: Cross multiply
    380,177.94x = 524,587.05 × 219,001.50
  4. Step 4: Simplify right side
    380,177.94x = 114,885,350,830.58
  5. Step 5: Solve for x
    x = 114,885,350,830.58/380,177.94
  6. Step 6: Final answer
    x = 302,188.37

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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.