Home / 1,242,911.80-1,864,367.70-444,219.40

Finding the Fourth Proportional to 1,242,911.80, 1,864,367.70 and 444,219.40

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Solution

The fourth proportional to 1,242,911.80, 1,864,367.70 and 444,219.40 is: 666,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,911.80 : 1,864,367.70 = 444,219.40 : x
  2. Step 2: Convert to fraction form
    1,242,911.80/1,864,367.70 = 444,219.40/x
  3. Step 3: Cross multiply
    1,242,911.80x = 1,864,367.70 × 444,219.40
  4. Step 4: Simplify right side
    1,242,911.80x = 828,188,301,073.38
  5. Step 5: Solve for x
    x = 828,188,301,073.38/1,242,911.80
  6. Step 6: Final answer
    x = 666,329.10

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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.