Home / 1,043,405.60-1,565,181.30-412,237.40

Finding the Fourth Proportional to 1,043,405.60, 1,565,181.30 and 412,237.40

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Solution

The fourth proportional to 1,043,405.60, 1,565,181.30 and 412,237.40 is: 618,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,405.60 : 1,565,181.30 = 412,237.40 : x
  2. Step 2: Convert to fraction form
    1,043,405.60/1,565,181.30 = 412,237.40/x
  3. Step 3: Cross multiply
    1,043,405.60x = 1,565,181.30 × 412,237.40
  4. Step 4: Simplify right side
    1,043,405.60x = 645,226,269,640.62
  5. Step 5: Solve for x
    x = 645,226,269,640.62/1,043,405.60
  6. Step 6: Final answer
    x = 618,384.90

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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.