Home / 1,034,110.55-1,551,165.83-768,390.05

Finding the Fourth Proportional to 1,034,110.55, 1,551,165.83 and 768,390.05

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Solution

The fourth proportional to 1,034,110.55, 1,551,165.83 and 768,390.05 is: 1,152,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034,110.55 : 1,551,165.83 = 768,390.05 : x
  2. Step 2: Convert to fraction form
    1,034,110.55/1,551,165.83 = 768,390.05/x
  3. Step 3: Cross multiply
    1,034,110.55x = 1,551,165.83 × 768,390.05
  4. Step 4: Simplify right side
    1,034,110.55x = 1,191,900,389,671.99
  5. Step 5: Solve for x
    x = 1,191,900,389,671.99/1,034,110.55
  6. Step 6: Final answer
    x = 1,152,585.08

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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.