Home / 1,587,958.58-2,191,390.96-862,808.15

Finding the Fourth Proportional to 1,587,958.58, 2,191,390.96 and 862,808.15

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Solution

The fourth proportional to 1,587,958.58, 2,191,390.96 and 862,808.15 is: 1,190,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,958.58 : 2,191,390.96 = 862,808.15 : x
  2. Step 2: Convert to fraction form
    1,587,958.58/2,191,390.96 = 862,808.15/x
  3. Step 3: Cross multiply
    1,587,958.58x = 2,191,390.96 × 862,808.15
  4. Step 4: Simplify right side
    1,587,958.58x = 1,890,749,980,124.32
  5. Step 5: Solve for x
    x = 1,890,749,980,124.32/1,587,958.58
  6. Step 6: Final answer
    x = 1,190,679.66

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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.