Home / 1,781,707.80-2,667,312.90-1,183,344.60

Finding the Fourth Proportional to 1,781,707.80, 2,667,312.90 and 1,183,344.60

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Solution

The fourth proportional to 1,781,707.80, 2,667,312.90 and 1,183,344.60 is: 1,771,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,707.80 : 2,667,312.90 = 1,183,344.60 : x
  2. Step 2: Convert to fraction form
    1,781,707.80/2,667,312.90 = 1,183,344.60/x
  3. Step 3: Cross multiply
    1,781,707.80x = 2,667,312.90 × 1,183,344.60
  4. Step 4: Simplify right side
    1,781,707.80x = 3,156,350,316,725.34
  5. Step 5: Solve for x
    x = 3,156,350,316,725.34/1,781,707.80
  6. Step 6: Final answer
    x = 1,771,530.84

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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.