Home / 591,768.20-887,652.30-402,811.40

Finding the Fourth Proportional to 591,768.20, 887,652.30 and 402,811.40

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Solution

The fourth proportional to 591,768.20, 887,652.30 and 402,811.40 is: 604,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,768.20 : 887,652.30 = 402,811.40 : x
  2. Step 2: Convert to fraction form
    591,768.20/887,652.30 = 402,811.40/x
  3. Step 3: Cross multiply
    591,768.20x = 887,652.30 × 402,811.40
  4. Step 4: Simplify right side
    591,768.20x = 357,556,465,676.22
  5. Step 5: Solve for x
    x = 357,556,465,676.22/591,768.20
  6. Step 6: Final answer
    x = 604,217.10

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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.