Home / 760,863.40-1,141,208.70-199,954.60

Finding the Fourth Proportional to 760,863.40, 1,141,208.70 and 199,954.60

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Solution

The fourth proportional to 760,863.40, 1,141,208.70 and 199,954.60 is: 299,909.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,863.40 : 1,141,208.70 = 199,954.60 : x
  2. Step 2: Convert to fraction form
    760,863.40/1,141,208.70 = 199,954.60/x
  3. Step 3: Cross multiply
    760,863.40x = 1,141,208.70 × 199,954.60
  4. Step 4: Simplify right side
    760,863.40x = 228,189,929,125.02
  5. Step 5: Solve for x
    x = 228,189,929,125.02/760,863.40
  6. Step 6: Final answer
    x = 299,909.19

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Half scale
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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.