Home / 540,864.60-811,429.74-185,883.72

Finding the Fourth Proportional to 540,864.60, 811,429.74 and 185,883.72

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Solution

The fourth proportional to 540,864.60, 811,429.74 and 185,883.72 is: 278,871.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,864.60 : 811,429.74 = 185,883.72 : x
  2. Step 2: Convert to fraction form
    540,864.60/811,429.74 = 185,883.72/x
  3. Step 3: Cross multiply
    540,864.60x = 811,429.74 × 185,883.72
  4. Step 4: Simplify right side
    540,864.60x = 150,831,578,589.83
  5. Step 5: Solve for x
    x = 150,831,578,589.83/540,864.60
  6. Step 6: Final answer
    x = 278,871.23

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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.