Home / 1,679,074.36-2,317,055.16-915,111.52

Finding the Fourth Proportional to 1,679,074.36, 2,317,055.16 and 915,111.52

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Solution

The fourth proportional to 1,679,074.36, 2,317,055.16 and 915,111.52 is: 1,262,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,074.36 : 2,317,055.16 = 915,111.52 : x
  2. Step 2: Convert to fraction form
    1,679,074.36/2,317,055.16 = 915,111.52/x
  3. Step 3: Cross multiply
    1,679,074.36x = 2,317,055.16 × 915,111.52
  4. Step 4: Simplify right side
    1,679,074.36x = 2,120,363,869,391.44
  5. Step 5: Solve for x
    x = 2,120,363,869,391.44/1,679,074.36
  6. Step 6: Final answer
    x = 1,262,817.13

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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.