Home / 785,378.40-1,083,758.31-441,195.63

Finding the Fourth Proportional to 785,378.40, 1,083,758.31 and 441,195.63

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Solution

The fourth proportional to 785,378.40, 1,083,758.31 and 441,195.63 is: 608,814.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,378.40 : 1,083,758.31 = 441,195.63 : x
  2. Step 2: Convert to fraction form
    785,378.40/1,083,758.31 = 441,195.63/x
  3. Step 3: Cross multiply
    785,378.40x = 1,083,758.31 × 441,195.63
  4. Step 4: Simplify right side
    785,378.40x = 478,149,430,348.19
  5. Step 5: Solve for x
    x = 478,149,430,348.19/785,378.40
  6. Step 6: Final answer
    x = 608,814.08

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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.