Home / 1,095,593.60-1,643,390.40-386,422.40

Finding the Fourth Proportional to 1,095,593.60, 1,643,390.40 and 386,422.40

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Solution

The fourth proportional to 1,095,593.60, 1,643,390.40 and 386,422.40 is: 579,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,593.60 : 1,643,390.40 = 386,422.40 : x
  2. Step 2: Convert to fraction form
    1,095,593.60/1,643,390.40 = 386,422.40/x
  3. Step 3: Cross multiply
    1,095,593.60x = 1,643,390.40 × 386,422.40
  4. Step 4: Simplify right side
    1,095,593.60x = 635,042,862,504.96
  5. Step 5: Solve for x
    x = 635,042,862,504.96/1,095,593.60
  6. Step 6: Final answer
    x = 579,633.60

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Double scale
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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.