Home / 1,678,524.85-2,518,531.40-879,616.45

Finding the Fourth Proportional to 1,678,524.85, 2,518,531.40 and 879,616.45

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Solution

The fourth proportional to 1,678,524.85, 2,518,531.40 and 879,616.45 is: 1,319,814.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,524.85 : 2,518,531.40 = 879,616.45 : x
  2. Step 2: Convert to fraction form
    1,678,524.85/2,518,531.40 = 879,616.45/x
  3. Step 3: Cross multiply
    1,678,524.85x = 2,518,531.40 × 879,616.45
  4. Step 4: Simplify right side
    1,678,524.85x = 2,215,341,649,281.53
  5. Step 5: Solve for x
    x = 2,215,341,649,281.53/1,678,524.85
  6. Step 6: Final answer
    x = 1,319,814.63

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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.