Home / 744,072.83-1,026,815.40-404,541.08

Finding the Fourth Proportional to 744,072.83, 1,026,815.40 and 404,541.08

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Solution

The fourth proportional to 744,072.83, 1,026,815.40 and 404,541.08 is: 558,263.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,072.83 : 1,026,815.40 = 404,541.08 : x
  2. Step 2: Convert to fraction form
    744,072.83/1,026,815.40 = 404,541.08/x
  3. Step 3: Cross multiply
    744,072.83x = 1,026,815.40 × 404,541.08
  4. Step 4: Simplify right side
    744,072.83x = 415,389,005,742.56
  5. Step 5: Solve for x
    x = 415,389,005,742.56/744,072.83
  6. Step 6: Final answer
    x = 558,263.91

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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.