Home / 348,015.90-522,023.85-308,358.30

Finding the Fourth Proportional to 348,015.90, 522,023.85 and 308,358.30

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Solution

The fourth proportional to 348,015.90, 522,023.85 and 308,358.30 is: 462,537.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,015.90 : 522,023.85 = 308,358.30 : x
  2. Step 2: Convert to fraction form
    348,015.90/522,023.85 = 308,358.30/x
  3. Step 3: Cross multiply
    348,015.90x = 522,023.85 × 308,358.30
  4. Step 4: Simplify right side
    348,015.90x = 160,970,386,945.46
  5. Step 5: Solve for x
    x = 160,970,386,945.46/348,015.90
  6. Step 6: Final answer
    x = 462,537.45

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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.