Home / 1,406,166.54-1,940,503.72-785,970.89

Finding the Fourth Proportional to 1,406,166.54, 1,940,503.72 and 785,970.89

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Solution

The fourth proportional to 1,406,166.54, 1,940,503.72 and 785,970.89 is: 1,084,636.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,166.54 : 1,940,503.72 = 785,970.89 : x
  2. Step 2: Convert to fraction form
    1,406,166.54/1,940,503.72 = 785,970.89/x
  3. Step 3: Cross multiply
    1,406,166.54x = 1,940,503.72 × 785,970.89
  4. Step 4: Simplify right side
    1,406,166.54x = 1,525,179,447,171.04
  5. Step 5: Solve for x
    x = 1,525,179,447,171.04/1,406,166.54
  6. Step 6: Final answer
    x = 1,084,636.42

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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.