Home / 939,856.76-1,297,676.36-577,766.10

Finding the Fourth Proportional to 939,856.76, 1,297,676.36 and 577,766.10

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Solution

The fourth proportional to 939,856.76, 1,297,676.36 and 577,766.10 is: 797,731.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,856.76 : 1,297,676.36 = 577,766.10 : x
  2. Step 2: Convert to fraction form
    939,856.76/1,297,676.36 = 577,766.10/x
  3. Step 3: Cross multiply
    939,856.76x = 1,297,676.36 × 577,766.10
  4. Step 4: Simplify right side
    939,856.76x = 749,753,409,579.40
  5. Step 5: Solve for x
    x = 749,753,409,579.40/939,856.76
  6. Step 6: Final answer
    x = 797,731.57

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.