Home / 912,665.80-1,366,374.30-886,421.80

Finding the Fourth Proportional to 912,665.80, 1,366,374.30 and 886,421.80

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Solution

The fourth proportional to 912,665.80, 1,366,374.30 and 886,421.80 is: 1,327,083.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,665.80 : 1,366,374.30 = 886,421.80 : x
  2. Step 2: Convert to fraction form
    912,665.80/1,366,374.30 = 886,421.80/x
  3. Step 3: Cross multiply
    912,665.80x = 1,366,374.30 × 886,421.80
  4. Step 4: Simplify right side
    912,665.80x = 1,211,183,966,479.74
  5. Step 5: Solve for x
    x = 1,211,183,966,479.74/912,665.80
  6. Step 6: Final answer
    x = 1,327,083.77

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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.