Home / 993,750.41-1,490,311.87-319,681.44

Finding the Fourth Proportional to 993,750.41, 1,490,311.87 and 319,681.44

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Solution

The fourth proportional to 993,750.41, 1,490,311.87 and 319,681.44 is: 479,421.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,750.41 : 1,490,311.87 = 319,681.44 : x
  2. Step 2: Convert to fraction form
    993,750.41/1,490,311.87 = 319,681.44/x
  3. Step 3: Cross multiply
    993,750.41x = 1,490,311.87 × 319,681.44
  4. Step 4: Simplify right side
    993,750.41x = 476,425,043,851.49
  5. Step 5: Solve for x
    x = 476,425,043,851.49/993,750.41
  6. Step 6: Final answer
    x = 479,421.23

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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.