Home / 526,840.52-790,172.39-189,818.36

Finding the Fourth Proportional to 526,840.52, 790,172.39 and 189,818.36

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Solution

The fourth proportional to 526,840.52, 790,172.39 and 189,818.36 is: 284,695.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,840.52 : 790,172.39 = 189,818.36 : x
  2. Step 2: Convert to fraction form
    526,840.52/790,172.39 = 189,818.36/x
  3. Step 3: Cross multiply
    526,840.52x = 790,172.39 × 189,818.36
  4. Step 4: Simplify right side
    526,840.52x = 149,989,223,710.76
  5. Step 5: Solve for x
    x = 149,989,223,710.76/526,840.52
  6. Step 6: Final answer
    x = 284,695.69

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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.