Home / 943,980.60-1,413,638.10-626,719.80

Finding the Fourth Proportional to 943,980.60, 1,413,638.10 and 626,719.80

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Solution

The fourth proportional to 943,980.60, 1,413,638.10 and 626,719.80 is: 938,530.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,980.60 : 1,413,638.10 = 626,719.80 : x
  2. Step 2: Convert to fraction form
    943,980.60/1,413,638.10 = 626,719.80/x
  3. Step 3: Cross multiply
    943,980.60x = 1,413,638.10 × 626,719.80
  4. Step 4: Simplify right side
    943,980.60x = 885,954,987,304.38
  5. Step 5: Solve for x
    x = 885,954,987,304.38/943,980.60
  6. Step 6: Final answer
    x = 938,530.93

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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.