Home / 514,298.48-771,570.88-214,612.36

Finding the Fourth Proportional to 514,298.48, 771,570.88 and 214,612.36

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Solution

The fourth proportional to 514,298.48, 771,570.88 and 214,612.36 is: 321,969.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,298.48 : 771,570.88 = 214,612.36 : x
  2. Step 2: Convert to fraction form
    514,298.48/771,570.88 = 214,612.36/x
  3. Step 3: Cross multiply
    514,298.48x = 771,570.88 × 214,612.36
  4. Step 4: Simplify right side
    514,298.48x = 165,588,647,464.08
  5. Step 5: Solve for x
    x = 165,588,647,464.08/514,298.48
  6. Step 6: Final answer
    x = 321,969.93

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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.