Home / 1,118,359.78-1,677,594.93-319,758.82

Finding the Fourth Proportional to 1,118,359.78, 1,677,594.93 and 319,758.82

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Solution

The fourth proportional to 1,118,359.78, 1,677,594.93 and 319,758.82 is: 479,654.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,359.78 : 1,677,594.93 = 319,758.82 : x
  2. Step 2: Convert to fraction form
    1,118,359.78/1,677,594.93 = 319,758.82/x
  3. Step 3: Cross multiply
    1,118,359.78x = 1,677,594.93 × 319,758.82
  4. Step 4: Simplify right side
    1,118,359.78x = 536,425,775,254.78
  5. Step 5: Solve for x
    x = 536,425,775,254.78/1,118,359.78
  6. Step 6: Final answer
    x = 479,654.03

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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.