Home / 346,370.20-478,320.99-327,500.16

Finding the Fourth Proportional to 346,370.20, 478,320.99 and 327,500.16

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Solution

The fourth proportional to 346,370.20, 478,320.99 and 327,500.16 is: 452,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,370.20 : 478,320.99 = 327,500.16 : x
  2. Step 2: Convert to fraction form
    346,370.20/478,320.99 = 327,500.16/x
  3. Step 3: Cross multiply
    346,370.20x = 478,320.99 × 327,500.16
  4. Step 4: Simplify right side
    346,370.20x = 156,650,200,756.36
  5. Step 5: Solve for x
    x = 156,650,200,756.36/346,370.20
  6. Step 6: Final answer
    x = 452,262.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.