Home / 1,221,919.36-1,832,892.48-368,998.25

Finding the Fourth Proportional to 1,221,919.36, 1,832,892.48 and 368,998.25

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Solution

The fourth proportional to 1,221,919.36, 1,832,892.48 and 368,998.25 is: 553,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,919.36 : 1,832,892.48 = 368,998.25 : x
  2. Step 2: Convert to fraction form
    1,221,919.36/1,832,892.48 = 368,998.25/x
  3. Step 3: Cross multiply
    1,221,919.36x = 1,832,892.48 × 368,998.25
  4. Step 4: Simplify right side
    1,221,919.36x = 676,334,117,558.16
  5. Step 5: Solve for x
    x = 676,334,117,558.16/1,221,919.36
  6. Step 6: Final answer
    x = 553,501.43

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Double scale
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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.