Home / 514,308.20-771,585.48-214,622.08

Finding the Fourth Proportional to 514,308.20, 771,585.48 and 214,622.08

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Solution

The fourth proportional to 514,308.20, 771,585.48 and 214,622.08 is: 321,984.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,308.20 : 771,585.48 = 214,622.08 : x
  2. Step 2: Convert to fraction form
    514,308.20/771,585.48 = 214,622.08/x
  3. Step 3: Cross multiply
    514,308.20x = 771,585.48 × 214,622.08
  4. Step 4: Simplify right side
    514,308.20x = 165,599,280,615.40
  5. Step 5: Solve for x
    x = 165,599,280,615.40/514,308.20
  6. Step 6: Final answer
    x = 321,984.52

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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.