Home / 785,658.96-1,084,128.56-441,440.19

Finding the Fourth Proportional to 785,658.96, 1,084,128.56 and 441,440.19

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Solution

The fourth proportional to 785,658.96, 1,084,128.56 and 441,440.19 is: 609,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,658.96 : 1,084,128.56 = 441,440.19 : x
  2. Step 2: Convert to fraction form
    785,658.96/1,084,128.56 = 441,440.19/x
  3. Step 3: Cross multiply
    785,658.96x = 1,084,128.56 × 441,440.19
  4. Step 4: Simplify right side
    785,658.96x = 478,577,917,510.83
  5. Step 5: Solve for x
    x = 478,577,917,510.83/785,658.96
  6. Step 6: Final answer
    x = 609,142.06

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Half scale
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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.