Home / 744,944.40-1,028,044.80-405,434.16

Finding the Fourth Proportional to 744,944.40, 1,028,044.80 and 405,434.16

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Solution

The fourth proportional to 744,944.40, 1,028,044.80 and 405,434.16 is: 559,510.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,944.40 : 1,028,044.80 = 405,434.16 : x
  2. Step 2: Convert to fraction form
    744,944.40/1,028,044.80 = 405,434.16/x
  3. Step 3: Cross multiply
    744,944.40x = 1,028,044.80 × 405,434.16
  4. Step 4: Simplify right side
    744,944.40x = 416,804,479,930.37
  5. Step 5: Solve for x
    x = 416,804,479,930.37/744,944.40
  6. Step 6: Final answer
    x = 559,510.86

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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.