Home / 1,144,304.10-1,716,456.15-640,419.30

Finding the Fourth Proportional to 1,144,304.10, 1,716,456.15 and 640,419.30

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Solution

The fourth proportional to 1,144,304.10, 1,716,456.15 and 640,419.30 is: 960,628.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,304.10 : 1,716,456.15 = 640,419.30 : x
  2. Step 2: Convert to fraction form
    1,144,304.10/1,716,456.15 = 640,419.30/x
  3. Step 3: Cross multiply
    1,144,304.10x = 1,716,456.15 × 640,419.30
  4. Step 4: Simplify right side
    1,144,304.10x = 1,099,251,646,063.70
  5. Step 5: Solve for x
    x = 1,099,251,646,063.70/1,144,304.10
  6. Step 6: Final answer
    x = 960,628.95

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Double scale
Find fourth proportional to 1,144,305.10, 1,716,457.65 and 640,420.30
Similar ratio
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1.5x scale

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.