Home / 526,905.23-790,359.66-127,545.37

Finding the Fourth Proportional to 526,905.23, 790,359.66 and 127,545.37

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Solution

The fourth proportional to 526,905.23, 790,359.66 and 127,545.37 is: 191,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,905.23 : 790,359.66 = 127,545.37 : x
  2. Step 2: Convert to fraction form
    526,905.23/790,359.66 = 127,545.37/x
  3. Step 3: Cross multiply
    526,905.23x = 790,359.66 × 127,545.37
  4. Step 4: Simplify right side
    526,905.23x = 100,806,713,291.88
  5. Step 5: Solve for x
    x = 100,806,713,291.88/526,905.23
  6. Step 6: Final answer
    x = 191,318.49

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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.