Home / 1,295,801.80-1,788,194.28-715,030.36

Finding the Fourth Proportional to 1,295,801.80, 1,788,194.28 and 715,030.36

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Solution

The fourth proportional to 1,295,801.80, 1,788,194.28 and 715,030.36 is: 986,735.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,801.80 : 1,788,194.28 = 715,030.36 : x
  2. Step 2: Convert to fraction form
    1,295,801.80/1,788,194.28 = 715,030.36/x
  3. Step 3: Cross multiply
    1,295,801.80x = 1,788,194.28 × 715,030.36
  4. Step 4: Simplify right side
    1,295,801.80x = 1,278,613,199,778.34
  5. Step 5: Solve for x
    x = 1,278,613,199,778.34/1,295,801.80
  6. Step 6: Final answer
    x = 986,735.16

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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.