Home / 1,929,478-2,662,679.64-1,070,169.84

Finding the Fourth Proportional to 1,929,478, 2,662,679.64 and 1,070,169.84

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Solution

The fourth proportional to 1,929,478, 2,662,679.64 and 1,070,169.84 is: 1,476,834.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,478 : 2,662,679.64 = 1,070,169.84 : x
  2. Step 2: Convert to fraction form
    1,929,478/2,662,679.64 = 1,070,169.84/x
  3. Step 3: Cross multiply
    1,929,478x = 2,662,679.64 × 1,070,169.84
  4. Step 4: Simplify right side
    1,929,478x = 2,849,519,444,310.06
  5. Step 5: Solve for x
    x = 2,849,519,444,310.06/1,929,478
  6. Step 6: Final answer
    x = 1,476,834.38

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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.