Home / 1,399,068.87-1,930,803.06-847,832.85

Finding the Fourth Proportional to 1,399,068.87, 1,930,803.06 and 847,832.85

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Solution

The fourth proportional to 1,399,068.87, 1,930,803.06 and 847,832.85 is: 1,170,062.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,068.87 : 1,930,803.06 = 847,832.85 : x
  2. Step 2: Convert to fraction form
    1,399,068.87/1,930,803.06 = 847,832.85/x
  3. Step 3: Cross multiply
    1,399,068.87x = 1,930,803.06 × 847,832.85
  4. Step 4: Simplify right side
    1,399,068.87x = 1,636,998,261,148.52
  5. Step 5: Solve for x
    x = 1,636,998,261,148.52/1,399,068.87
  6. Step 6: Final answer
    x = 1,170,062.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.