Home / 1,211,829.66-1,817,790.65-453,591.29

Finding the Fourth Proportional to 1,211,829.66, 1,817,790.65 and 453,591.29

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Solution

The fourth proportional to 1,211,829.66, 1,817,790.65 and 453,591.29 is: 680,404.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,829.66 : 1,817,790.65 = 453,591.29 : x
  2. Step 2: Convert to fraction form
    1,211,829.66/1,817,790.65 = 453,591.29/x
  3. Step 3: Cross multiply
    1,211,829.66x = 1,817,790.65 × 453,591.29
  4. Step 4: Simplify right side
    1,211,829.66x = 824,533,996,794.49
  5. Step 5: Solve for x
    x = 824,533,996,794.49/1,211,829.66
  6. Step 6: Final answer
    x = 680,404.21

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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.