Home / 651,826.20-977,447.70-252,334.20

Finding the Fourth Proportional to 651,826.20, 977,447.70 and 252,334.20

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Solution

The fourth proportional to 651,826.20, 977,447.70 and 252,334.20 is: 378,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,826.20 : 977,447.70 = 252,334.20 : x
  2. Step 2: Convert to fraction form
    651,826.20/977,447.70 = 252,334.20/x
  3. Step 3: Cross multiply
    651,826.20x = 977,447.70 × 252,334.20
  4. Step 4: Simplify right side
    651,826.20x = 246,643,483,421.34
  5. Step 5: Solve for x
    x = 246,643,483,421.34/651,826.20
  6. Step 6: Final answer
    x = 378,388.42

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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.