Home / 885,655.80-1,328,678.10-436,591.80

Finding the Fourth Proportional to 885,655.80, 1,328,678.10 and 436,591.80

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Solution

The fourth proportional to 885,655.80, 1,328,678.10 and 436,591.80 is: 654,983.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,655.80 : 1,328,678.10 = 436,591.80 : x
  2. Step 2: Convert to fraction form
    885,655.80/1,328,678.10 = 436,591.80/x
  3. Step 3: Cross multiply
    885,655.80x = 1,328,678.10 × 436,591.80
  4. Step 4: Simplify right side
    885,655.80x = 580,089,963,299.58
  5. Step 5: Solve for x
    x = 580,089,963,299.58/885,655.80
  6. Step 6: Final answer
    x = 654,983.53

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.