Home / 1,189,275.81-1,783,917.90-347,827.56

Finding the Fourth Proportional to 1,189,275.81, 1,783,917.90 and 347,827.56

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Solution

The fourth proportional to 1,189,275.81, 1,783,917.90 and 347,827.56 is: 521,742.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,275.81 : 1,783,917.90 = 347,827.56 : x
  2. Step 2: Convert to fraction form
    1,189,275.81/1,783,917.90 = 347,827.56/x
  3. Step 3: Cross multiply
    1,189,275.81x = 1,783,917.90 × 347,827.56
  4. Step 4: Simplify right side
    1,189,275.81x = 620,495,810,397.32
  5. Step 5: Solve for x
    x = 620,495,810,397.32/1,189,275.81
  6. Step 6: Final answer
    x = 521,742.56

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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.