Home / 1,186,918.80-1,637,948.85-696,792.39

Finding the Fourth Proportional to 1,186,918.80, 1,637,948.85 and 696,792.39

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Solution

The fourth proportional to 1,186,918.80, 1,637,948.85 and 696,792.39 is: 961,574.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,918.80 : 1,637,948.85 = 696,792.39 : x
  2. Step 2: Convert to fraction form
    1,186,918.80/1,637,948.85 = 696,792.39/x
  3. Step 3: Cross multiply
    1,186,918.80x = 1,637,948.85 × 696,792.39
  4. Step 4: Simplify right side
    1,186,918.80x = 1,141,310,293,889.25
  5. Step 5: Solve for x
    x = 1,141,310,293,889.25/1,186,918.80
  6. Step 6: Final answer
    x = 961,574.03

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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.