Home / 1,398,338.16-1,929,854.64-854,792.16

Finding the Fourth Proportional to 1,398,338.16, 1,929,854.64 and 854,792.16

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Solution

The fourth proportional to 1,398,338.16, 1,929,854.64 and 854,792.16 is: 1,179,703.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,338.16 : 1,929,854.64 = 854,792.16 : x
  2. Step 2: Convert to fraction form
    1,398,338.16/1,929,854.64 = 854,792.16/x
  3. Step 3: Cross multiply
    1,398,338.16x = 1,929,854.64 × 854,792.16
  4. Step 4: Simplify right side
    1,398,338.16x = 1,649,624,616,211.62
  5. Step 5: Solve for x
    x = 1,649,624,616,211.62/1,398,338.16
  6. Step 6: Final answer
    x = 1,179,703.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.