Home / 346,426.10-519,639.15-228,230.90

Finding the Fourth Proportional to 346,426.10, 519,639.15 and 228,230.90

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Solution

The fourth proportional to 346,426.10, 519,639.15 and 228,230.90 is: 342,346.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,426.10 : 519,639.15 = 228,230.90 : x
  2. Step 2: Convert to fraction form
    346,426.10/519,639.15 = 228,230.90/x
  3. Step 3: Cross multiply
    346,426.10x = 519,639.15 × 228,230.90
  4. Step 4: Simplify right side
    346,426.10x = 118,597,710,879.74
  5. Step 5: Solve for x
    x = 118,597,710,879.74/346,426.10
  6. Step 6: Final answer
    x = 342,346.35

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Double scale
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Similar ratio
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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.