Home / 1,557,716.40-2,336,574.60-811,220.40

Finding the Fourth Proportional to 1,557,716.40, 2,336,574.60 and 811,220.40

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Solution

The fourth proportional to 1,557,716.40, 2,336,574.60 and 811,220.40 is: 1,216,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,716.40 : 2,336,574.60 = 811,220.40 : x
  2. Step 2: Convert to fraction form
    1,557,716.40/2,336,574.60 = 811,220.40/x
  3. Step 3: Cross multiply
    1,557,716.40x = 2,336,574.60 × 811,220.40
  4. Step 4: Simplify right side
    1,557,716.40x = 1,895,476,981,641.84
  5. Step 5: Solve for x
    x = 1,895,476,981,641.84/1,557,716.40
  6. Step 6: Final answer
    x = 1,216,830.60

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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.