Home / 1,189,559.34-1,784,341.55-836,154.74

Finding the Fourth Proportional to 1,189,559.34, 1,784,341.55 and 836,154.74

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Solution

The fourth proportional to 1,189,559.34, 1,784,341.55 and 836,154.74 is: 1,254,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,559.34 : 1,784,341.55 = 836,154.74 : x
  2. Step 2: Convert to fraction form
    1,189,559.34/1,784,341.55 = 836,154.74/x
  3. Step 3: Cross multiply
    1,189,559.34x = 1,784,341.55 × 836,154.74
  4. Step 4: Simplify right side
    1,189,559.34x = 1,491,985,644,811.45
  5. Step 5: Solve for x
    x = 1,491,985,644,811.45/1,189,559.34
  6. Step 6: Final answer
    x = 1,254,233.90

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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.