Home / 526,052.72-789,277.72-315,837.20

Finding the Fourth Proportional to 526,052.72, 789,277.72 and 315,837.20

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Solution

The fourth proportional to 526,052.72, 789,277.72 and 315,837.20 is: 473,875.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,052.72 : 789,277.72 = 315,837.20 : x
  2. Step 2: Convert to fraction form
    526,052.72/789,277.72 = 315,837.20/x
  3. Step 3: Cross multiply
    526,052.72x = 789,277.72 × 315,837.20
  4. Step 4: Simplify right side
    526,052.72x = 249,283,265,107.18
  5. Step 5: Solve for x
    x = 249,283,265,107.18/526,052.72
  6. Step 6: Final answer
    x = 473,875.06

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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.