Home / 1,514,126.61-2,271,417.48-489,114.72

Finding the Fourth Proportional to 1,514,126.61, 2,271,417.48 and 489,114.72

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Solution

The fourth proportional to 1,514,126.61, 2,271,417.48 and 489,114.72 is: 733,745.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,126.61 : 2,271,417.48 = 489,114.72 : x
  2. Step 2: Convert to fraction form
    1,514,126.61/2,271,417.48 = 489,114.72/x
  3. Step 3: Cross multiply
    1,514,126.61x = 2,271,417.48 × 489,114.72
  4. Step 4: Simplify right side
    1,514,126.61x = 1,110,983,724,733.31
  5. Step 5: Solve for x
    x = 1,110,983,724,733.31/1,514,126.61
  6. Step 6: Final answer
    x = 733,745.59

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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.