Home / 351,024.20-526,536.30-345,775.40

Finding the Fourth Proportional to 351,024.20, 526,536.30 and 345,775.40

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Solution

The fourth proportional to 351,024.20, 526,536.30 and 345,775.40 is: 518,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,024.20 : 526,536.30 = 345,775.40 : x
  2. Step 2: Convert to fraction form
    351,024.20/526,536.30 = 345,775.40/x
  3. Step 3: Cross multiply
    351,024.20x = 526,536.30 × 345,775.40
  4. Step 4: Simplify right side
    351,024.20x = 182,063,299,747.02
  5. Step 5: Solve for x
    x = 182,063,299,747.02/351,024.20
  6. Step 6: Final answer
    x = 518,663.10

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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.