Home / 779,000.40-1,092,175.20-779,000.40

Finding the Fourth Proportional to 779,000.40, 1,092,175.20 and 779,000.40

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Solution

The fourth proportional to 779,000.40, 1,092,175.20 and 779,000.40 is: 1,092,175.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,000.40 : 1,092,175.20 = 779,000.40 : x
  2. Step 2: Convert to fraction form
    779,000.40/1,092,175.20 = 779,000.40/x
  3. Step 3: Cross multiply
    779,000.40x = 1,092,175.20 × 779,000.40
  4. Step 4: Simplify right side
    779,000.40x = 850,804,917,670.08
  5. Step 5: Solve for x
    x = 850,804,917,670.08/779,000.40
  6. Step 6: Final answer
    x = 1,092,175.20

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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 (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.