Home / 619,926.18-929,002.05-353,135.40

Finding the Fourth Proportional to 619,926.18, 929,002.05 and 353,135.40

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Solution

The fourth proportional to 619,926.18, 929,002.05 and 353,135.40 is: 529,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,926.18 : 929,002.05 = 353,135.40 : x
  2. Step 2: Convert to fraction form
    619,926.18/929,002.05 = 353,135.40/x
  3. Step 3: Cross multiply
    619,926.18x = 929,002.05 × 353,135.40
  4. Step 4: Simplify right side
    619,926.18x = 328,063,510,527.57
  5. Step 5: Solve for x
    x = 328,063,510,527.57/619,926.18
  6. Step 6: Final answer
    x = 529,197.70

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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.