Home / 521,541.22-719,603.49-295,186.72

Finding the Fourth Proportional to 521,541.22, 719,603.49 and 295,186.72

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Solution

The fourth proportional to 521,541.22, 719,603.49 and 295,186.72 is: 407,287.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,541.22 : 719,603.49 = 295,186.72 : x
  2. Step 2: Convert to fraction form
    521,541.22/719,603.49 = 295,186.72/x
  3. Step 3: Cross multiply
    521,541.22x = 719,603.49 × 295,186.72
  4. Step 4: Simplify right side
    521,541.22x = 212,417,390,315.64
  5. Step 5: Solve for x
    x = 212,417,390,315.64/521,541.22
  6. Step 6: Final answer
    x = 407,287.83

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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.