Home / 348,053.60-522,080.40-228,303.20

Finding the Fourth Proportional to 348,053.60, 522,080.40 and 228,303.20

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Solution

The fourth proportional to 348,053.60, 522,080.40 and 228,303.20 is: 342,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,053.60 : 522,080.40 = 228,303.20 : x
  2. Step 2: Convert to fraction form
    348,053.60/522,080.40 = 228,303.20/x
  3. Step 3: Cross multiply
    348,053.60x = 522,080.40 × 228,303.20
  4. Step 4: Simplify right side
    348,053.60x = 119,192,625,977.28
  5. Step 5: Solve for x
    x = 119,192,625,977.28/348,053.60
  6. Step 6: Final answer
    x = 342,454.80

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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.