Home / 2,778,677.40-4,168,016.10-885,557.40

Finding the Fourth Proportional to 2,778,677.40, 4,168,016.10 and 885,557.40

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Solution

The fourth proportional to 2,778,677.40, 4,168,016.10 and 885,557.40 is: 1,328,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,677.40 : 4,168,016.10 = 885,557.40 : x
  2. Step 2: Convert to fraction form
    2,778,677.40/4,168,016.10 = 885,557.40/x
  3. Step 3: Cross multiply
    2,778,677.40x = 4,168,016.10 × 885,557.40
  4. Step 4: Simplify right side
    2,778,677.40x = 3,691,017,500,674.14
  5. Step 5: Solve for x
    x = 3,691,017,500,674.14/2,778,677.40
  6. Step 6: Final answer
    x = 1,328,336.10

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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.