Home / 514,303.60-771,578.58-214,617.48

Finding the Fourth Proportional to 514,303.60, 771,578.58 and 214,617.48

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Solution

The fourth proportional to 514,303.60, 771,578.58 and 214,617.48 is: 321,977.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,303.60 : 771,578.58 = 214,617.48 : x
  2. Step 2: Convert to fraction form
    514,303.60/771,578.58 = 214,617.48/x
  3. Step 3: Cross multiply
    514,303.60x = 771,578.58 × 214,617.48
  4. Step 4: Simplify right side
    514,303.60x = 165,594,250,461.58
  5. Step 5: Solve for x
    x = 165,594,250,461.58/514,303.60
  6. Step 6: Final answer
    x = 321,977.62

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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.