Home / 1,118,424.92-1,677,648.31-319,700.93

Finding the Fourth Proportional to 1,118,424.92, 1,677,648.31 and 319,700.93

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Solution

The fourth proportional to 1,118,424.92, 1,677,648.31 and 319,700.93 is: 479,554.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,424.92 : 1,677,648.31 = 319,700.93 : x
  2. Step 2: Convert to fraction form
    1,118,424.92/1,677,648.31 = 319,700.93/x
  3. Step 3: Cross multiply
    1,118,424.92x = 1,677,648.31 × 319,700.93
  4. Step 4: Simplify right side
    1,118,424.92x = 536,345,715,732.43
  5. Step 5: Solve for x
    x = 536,345,715,732.43/1,118,424.92
  6. Step 6: Final answer
    x = 479,554.51

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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.