Home / 346,411.10-519,616.65-228,215.90

Finding the Fourth Proportional to 346,411.10, 519,616.65 and 228,215.90

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Solution

The fourth proportional to 346,411.10, 519,616.65 and 228,215.90 is: 342,323.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,411.10 : 519,616.65 = 228,215.90 : x
  2. Step 2: Convert to fraction form
    346,411.10/519,616.65 = 228,215.90/x
  3. Step 3: Cross multiply
    346,411.10x = 519,616.65 × 228,215.90
  4. Step 4: Simplify right side
    346,411.10x = 118,584,781,434.74
  5. Step 5: Solve for x
    x = 118,584,781,434.74/346,411.10
  6. Step 6: Final answer
    x = 342,323.85

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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.