Home / 526,901.55-790,434.63-171,832.98

Finding the Fourth Proportional to 526,901.55, 790,434.63 and 171,832.98

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Solution

The fourth proportional to 526,901.55, 790,434.63 and 171,832.98 is: 257,776.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,901.55 : 790,434.63 = 171,832.98 : x
  2. Step 2: Convert to fraction form
    526,901.55/790,434.63 = 171,832.98/x
  3. Step 3: Cross multiply
    526,901.55x = 790,434.63 × 171,832.98
  4. Step 4: Simplify right side
    526,901.55x = 135,822,737,968.10
  5. Step 5: Solve for x
    x = 135,822,737,968.10/526,901.55
  6. Step 6: Final answer
    x = 257,776.31

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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.