Home / 785,657.45-1,084,126.50-441,438.69

Finding the Fourth Proportional to 785,657.45, 1,084,126.50 and 441,438.69

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Solution

The fourth proportional to 785,657.45, 1,084,126.50 and 441,438.69 is: 609,140.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,657.45 : 1,084,126.50 = 441,438.69 : x
  2. Step 2: Convert to fraction form
    785,657.45/1,084,126.50 = 441,438.69/x
  3. Step 3: Cross multiply
    785,657.45x = 1,084,126.50 × 441,438.69
  4. Step 4: Simplify right side
    785,657.45x = 478,575,381,954.29
  5. Step 5: Solve for x
    x = 478,575,381,954.29/785,657.45
  6. Step 6: Final answer
    x = 609,140.01

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Double scale
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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.