Home / 527,403.34-791,017.53-190,379.35

Finding the Fourth Proportional to 527,403.34, 791,017.53 and 190,379.35

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Solution

The fourth proportional to 527,403.34, 791,017.53 and 190,379.35 is: 285,537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,403.34 : 791,017.53 = 190,379.35 : x
  2. Step 2: Convert to fraction form
    527,403.34/791,017.53 = 190,379.35/x
  3. Step 3: Cross multiply
    527,403.34x = 791,017.53 × 190,379.35
  4. Step 4: Simplify right side
    527,403.34x = 150,593,403,200.01
  5. Step 5: Solve for x
    x = 150,593,403,200.01/527,403.34
  6. Step 6: Final answer
    x = 285,537.45

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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.