Home / 859,181.60-1,288,772.40-439,277.60

Finding the Fourth Proportional to 859,181.60, 1,288,772.40 and 439,277.60

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Solution

The fourth proportional to 859,181.60, 1,288,772.40 and 439,277.60 is: 658,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,181.60 : 1,288,772.40 = 439,277.60 : x
  2. Step 2: Convert to fraction form
    859,181.60/1,288,772.40 = 439,277.60/x
  3. Step 3: Cross multiply
    859,181.60x = 1,288,772.40 × 439,277.60
  4. Step 4: Simplify right side
    859,181.60x = 566,128,846,818.24
  5. Step 5: Solve for x
    x = 566,128,846,818.24/859,181.60
  6. Step 6: Final answer
    x = 658,916.40

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Double scale
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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.