Home / 1,406,370.70-1,940,652.54-786,059.74

Finding the Fourth Proportional to 1,406,370.70, 1,940,652.54 and 786,059.74

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Solution

The fourth proportional to 1,406,370.70, 1,940,652.54 and 786,059.74 is: 1,084,684.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,370.70 : 1,940,652.54 = 786,059.74 : x
  2. Step 2: Convert to fraction form
    1,406,370.70/1,940,652.54 = 786,059.74/x
  3. Step 3: Cross multiply
    1,406,370.70x = 1,940,652.54 × 786,059.74
  4. Step 4: Simplify right side
    1,406,370.70x = 1,525,468,831,022.74
  5. Step 5: Solve for x
    x = 1,525,468,831,022.74/1,406,370.70
  6. Step 6: Final answer
    x = 1,084,684.74

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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.