Home / 811,598.35-1,217,563.61-279,050.19

Finding the Fourth Proportional to 811,598.35, 1,217,563.61 and 279,050.19

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Solution

The fourth proportional to 811,598.35, 1,217,563.61 and 279,050.19 is: 418,632.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,598.35 : 1,217,563.61 = 279,050.19 : x
  2. Step 2: Convert to fraction form
    811,598.35/1,217,563.61 = 279,050.19/x
  3. Step 3: Cross multiply
    811,598.35x = 1,217,563.61 × 279,050.19
  4. Step 4: Simplify right side
    811,598.35x = 339,761,356,707.59
  5. Step 5: Solve for x
    x = 339,761,356,707.59/811,598.35
  6. Step 6: Final answer
    x = 418,632.39

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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.