Home / 864,885.58-1,297,793.79-359,795.18

Finding the Fourth Proportional to 864,885.58, 1,297,793.79 and 359,795.18

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Solution

The fourth proportional to 864,885.58, 1,297,793.79 and 359,795.18 is: 539,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,885.58 : 1,297,793.79 = 359,795.18 : x
  2. Step 2: Convert to fraction form
    864,885.58/1,297,793.79 = 359,795.18/x
  3. Step 3: Cross multiply
    864,885.58x = 1,297,793.79 × 359,795.18
  4. Step 4: Simplify right side
    864,885.58x = 466,939,953,520.42
  5. Step 5: Solve for x
    x = 466,939,953,520.42/864,885.58
  6. Step 6: Final answer
    x = 539,886.39

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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.