Home / 1,211,917.01-1,817,921.48-453,678.71

Finding the Fourth Proportional to 1,211,917.01, 1,817,921.48 and 453,678.71

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Solution

The fourth proportional to 1,211,917.01, 1,817,921.48 and 453,678.71 is: 680,535.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,917.01 : 1,817,921.48 = 453,678.71 : x
  2. Step 2: Convert to fraction form
    1,211,917.01/1,817,921.48 = 453,678.71/x
  3. Step 3: Cross multiply
    1,211,917.01x = 1,817,921.48 × 453,678.71
  4. Step 4: Simplify right side
    1,211,917.01x = 824,752,260,569.69
  5. Step 5: Solve for x
    x = 824,752,260,569.69/1,211,917.01
  6. Step 6: Final answer
    x = 680,535.27

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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.