Home / 993,191.77-1,489,801.40-283,219.72

Finding the Fourth Proportional to 993,191.77, 1,489,801.40 and 283,219.72

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Solution

The fourth proportional to 993,191.77, 1,489,801.40 and 283,219.72 is: 424,833.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,191.77 : 1,489,801.40 = 283,219.72 : x
  2. Step 2: Convert to fraction form
    993,191.77/1,489,801.40 = 283,219.72/x
  3. Step 3: Cross multiply
    993,191.77x = 1,489,801.40 × 283,219.72
  4. Step 4: Simplify right side
    993,191.77x = 421,941,135,363.61
  5. Step 5: Solve for x
    x = 421,941,135,363.61/993,191.77
  6. Step 6: Final answer
    x = 424,833.50

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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.