Home / 514,786.56-771,326.40-364,281.12

Finding the Fourth Proportional to 514,786.56, 771,326.40 and 364,281.12

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Solution

The fourth proportional to 514,786.56, 771,326.40 and 364,281.12 is: 545,817.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,786.56 : 771,326.40 = 364,281.12 : x
  2. Step 2: Convert to fraction form
    514,786.56/771,326.40 = 364,281.12/x
  3. Step 3: Cross multiply
    514,786.56x = 771,326.40 × 364,281.12
  4. Step 4: Simplify right side
    514,786.56x = 280,979,644,877.57
  5. Step 5: Solve for x
    x = 280,979,644,877.57/514,786.56
  6. Step 6: Final answer
    x = 545,817.76

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1.5x scale

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.