Home / 851,404.60-1,277,690.10-472,324.60

Finding the Fourth Proportional to 851,404.60, 1,277,690.10 and 472,324.60

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Solution

The fourth proportional to 851,404.60, 1,277,690.10 and 472,324.60 is: 708,810.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,404.60 : 1,277,690.10 = 472,324.60 : x
  2. Step 2: Convert to fraction form
    851,404.60/1,277,690.10 = 472,324.60/x
  3. Step 3: Cross multiply
    851,404.60x = 1,277,690.10 × 472,324.60
  4. Step 4: Simplify right side
    851,404.60x = 603,484,465,406.46
  5. Step 5: Solve for x
    x = 603,484,465,406.46/851,404.60
  6. Step 6: Final answer
    x = 708,810.44

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Double scale
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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.