Home / 1,242,904.10-1,864,356.15-444,211.70

Finding the Fourth Proportional to 1,242,904.10, 1,864,356.15 and 444,211.70

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Solution

The fourth proportional to 1,242,904.10, 1,864,356.15 and 444,211.70 is: 666,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,904.10 : 1,864,356.15 = 444,211.70 : x
  2. Step 2: Convert to fraction form
    1,242,904.10/1,864,356.15 = 444,211.70/x
  3. Step 3: Cross multiply
    1,242,904.10x = 1,864,356.15 × 444,211.70
  4. Step 4: Simplify right side
    1,242,904.10x = 828,168,814,796.96
  5. Step 5: Solve for x
    x = 828,168,814,796.96/1,242,904.10
  6. Step 6: Final answer
    x = 666,317.55

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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.