Home / 1,211,696.73-1,817,882.28-528,643.35

Finding the Fourth Proportional to 1,211,696.73, 1,817,882.28 and 528,643.35

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Solution

The fourth proportional to 1,211,696.73, 1,817,882.28 and 528,643.35 is: 793,112.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,696.73 : 1,817,882.28 = 528,643.35 : x
  2. Step 2: Convert to fraction form
    1,211,696.73/1,817,882.28 = 528,643.35/x
  3. Step 3: Cross multiply
    1,211,696.73x = 1,817,882.28 × 528,643.35
  4. Step 4: Simplify right side
    1,211,696.73x = 961,011,378,404.84
  5. Step 5: Solve for x
    x = 961,011,378,404.84/1,211,696.73
  6. Step 6: Final answer
    x = 793,112.13

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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.