Home / 993,472.52-1,490,222.76-283,500.64

Finding the Fourth Proportional to 993,472.52, 1,490,222.76 and 283,500.64

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Solution

The fourth proportional to 993,472.52, 1,490,222.76 and 283,500.64 is: 425,254.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,472.52 : 1,490,222.76 = 283,500.64 : x
  2. Step 2: Convert to fraction form
    993,472.52/1,490,222.76 = 283,500.64/x
  3. Step 3: Cross multiply
    993,472.52x = 1,490,222.76 × 283,500.64
  4. Step 4: Simplify right side
    993,472.52x = 422,479,097,333.95
  5. Step 5: Solve for x
    x = 422,479,097,333.95/993,472.52
  6. Step 6: Final answer
    x = 425,254.94

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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.