Home / 1,095,480.39-1,511,503.74-636,322.17

Finding the Fourth Proportional to 1,095,480.39, 1,511,503.74 and 636,322.17

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Solution

The fourth proportional to 1,095,480.39, 1,511,503.74 and 636,322.17 is: 877,974.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,480.39 : 1,511,503.74 = 636,322.17 : x
  2. Step 2: Convert to fraction form
    1,095,480.39/1,511,503.74 = 636,322.17/x
  3. Step 3: Cross multiply
    1,095,480.39x = 1,511,503.74 × 636,322.17
  4. Step 4: Simplify right side
    1,095,480.39x = 961,803,339,799.92
  5. Step 5: Solve for x
    x = 961,803,339,799.92/1,095,480.39
  6. Step 6: Final answer
    x = 877,974.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.