Home / 527,260.08-790,726.47-190,257

Finding the Fourth Proportional to 527,260.08, 790,726.47 and 190,257

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Solution

The fourth proportional to 527,260.08, 790,726.47 and 190,257 is: 285,326.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,260.08 : 790,726.47 = 190,257 : x
  2. Step 2: Convert to fraction form
    527,260.08/790,726.47 = 190,257/x
  3. Step 3: Cross multiply
    527,260.08x = 790,726.47 × 190,257
  4. Step 4: Simplify right side
    527,260.08x = 150,441,246,002.79
  5. Step 5: Solve for x
    x = 150,441,246,002.79/527,260.08
  6. Step 6: Final answer
    x = 285,326.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.