Home / 384,530.40-576,795.60-104,047.65

Finding the Fourth Proportional to 384,530.40, 576,795.60 and 104,047.65

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Solution

The fourth proportional to 384,530.40, 576,795.60 and 104,047.65 is: 156,071.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,530.40 : 576,795.60 = 104,047.65 : x
  2. Step 2: Convert to fraction form
    384,530.40/576,795.60 = 104,047.65/x
  3. Step 3: Cross multiply
    384,530.40x = 576,795.60 × 104,047.65
  4. Step 4: Simplify right side
    384,530.40x = 60,014,226,710.34
  5. Step 5: Solve for x
    x = 60,014,226,710.34/384,530.40
  6. Step 6: Final answer
    x = 156,071.48

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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.