Home / 760,862.40-1,141,207.20-199,953.60

Finding the Fourth Proportional to 760,862.40, 1,141,207.20 and 199,953.60

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Solution

The fourth proportional to 760,862.40, 1,141,207.20 and 199,953.60 is: 299,907.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,862.40 : 1,141,207.20 = 199,953.60 : x
  2. Step 2: Convert to fraction form
    760,862.40/1,141,207.20 = 199,953.60/x
  3. Step 3: Cross multiply
    760,862.40x = 1,141,207.20 × 199,953.60
  4. Step 4: Simplify right side
    760,862.40x = 228,188,487,985.92
  5. Step 5: Solve for x
    x = 228,188,487,985.92/760,862.40
  6. Step 6: Final answer
    x = 299,907.69

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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.