Home / 886,017.85-1,328,962.51-346,172.61

Finding the Fourth Proportional to 886,017.85, 1,328,962.51 and 346,172.61

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Solution

The fourth proportional to 886,017.85, 1,328,962.51 and 346,172.61 is: 519,233.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,017.85 : 1,328,962.51 = 346,172.61 : x
  2. Step 2: Convert to fraction form
    886,017.85/1,328,962.51 = 346,172.61/x
  3. Step 3: Cross multiply
    886,017.85x = 1,328,962.51 × 346,172.61
  4. Step 4: Simplify right side
    886,017.85x = 460,050,420,678.85
  5. Step 5: Solve for x
    x = 460,050,420,678.85/886,017.85
  6. Step 6: Final answer
    x = 519,233.81

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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.