Home / 380,938.65-525,748.88-235,791.01

Finding the Fourth Proportional to 380,938.65, 525,748.88 and 235,791.01

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Solution

The fourth proportional to 380,938.65, 525,748.88 and 235,791.01 is: 325,424.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,938.65 : 525,748.88 = 235,791.01 : x
  2. Step 2: Convert to fraction form
    380,938.65/525,748.88 = 235,791.01/x
  3. Step 3: Cross multiply
    380,938.65x = 525,748.88 × 235,791.01
  4. Step 4: Simplify right side
    380,938.65x = 123,966,859,421.57
  5. Step 5: Solve for x
    x = 123,966,859,421.57/380,938.65
  6. Step 6: Final answer
    x = 325,424.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.