Home / 1,124,920.80-1,687,547.16-326,098.44

Finding the Fourth Proportional to 1,124,920.80, 1,687,547.16 and 326,098.44

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Solution

The fourth proportional to 1,124,920.80, 1,687,547.16 and 326,098.44 is: 489,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,920.80 : 1,687,547.16 = 326,098.44 : x
  2. Step 2: Convert to fraction form
    1,124,920.80/1,687,547.16 = 326,098.44/x
  3. Step 3: Cross multiply
    1,124,920.80x = 1,687,547.16 × 326,098.44
  4. Step 4: Simplify right side
    1,124,920.80x = 550,306,496,302.43
  5. Step 5: Solve for x
    x = 550,306,496,302.43/1,124,920.80
  6. Step 6: Final answer
    x = 489,195.77

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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.