Home / 379,541.16-523,768.84-207,459.36

Finding the Fourth Proportional to 379,541.16, 523,768.84 and 207,459.36

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Solution

The fourth proportional to 379,541.16, 523,768.84 and 207,459.36 is: 286,295.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,541.16 : 523,768.84 = 207,459.36 : x
  2. Step 2: Convert to fraction form
    379,541.16/523,768.84 = 207,459.36/x
  3. Step 3: Cross multiply
    379,541.16x = 523,768.84 × 207,459.36
  4. Step 4: Simplify right side
    379,541.16x = 108,660,748,334.34
  5. Step 5: Solve for x
    x = 108,660,748,334.34/379,541.16
  6. Step 6: Final answer
    x = 286,295.03

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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.