Home / 743,574.44-1,026,130.80-404,042.72

Finding the Fourth Proportional to 743,574.44, 1,026,130.80 and 404,042.72

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Solution

The fourth proportional to 743,574.44, 1,026,130.80 and 404,042.72 is: 557,577.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,574.44 : 1,026,130.80 = 404,042.72 : x
  2. Step 2: Convert to fraction form
    743,574.44/1,026,130.80 = 404,042.72/x
  3. Step 3: Cross multiply
    743,574.44x = 1,026,130.80 × 404,042.72
  4. Step 4: Simplify right side
    743,574.44x = 414,600,679,507.78
  5. Step 5: Solve for x
    x = 414,600,679,507.78/743,574.44
  6. Step 6: Final answer
    x = 557,577.91

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Double scale
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1.5x scale

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.