Home / 346,217.40-519,326.10-329,887.80

Finding the Fourth Proportional to 346,217.40, 519,326.10 and 329,887.80

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Solution

The fourth proportional to 346,217.40, 519,326.10 and 329,887.80 is: 494,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,217.40 : 519,326.10 = 329,887.80 : x
  2. Step 2: Convert to fraction form
    346,217.40/519,326.10 = 329,887.80/x
  3. Step 3: Cross multiply
    346,217.40x = 519,326.10 × 329,887.80
  4. Step 4: Simplify right side
    346,217.40x = 171,319,344,611.58
  5. Step 5: Solve for x
    x = 171,319,344,611.58/346,217.40
  6. Step 6: Final answer
    x = 494,831.70

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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.