Home / 1,313,808.74-1,970,713.11-471,901.22

Finding the Fourth Proportional to 1,313,808.74, 1,970,713.11 and 471,901.22

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Solution

The fourth proportional to 1,313,808.74, 1,970,713.11 and 471,901.22 is: 707,851.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,808.74 : 1,970,713.11 = 471,901.22 : x
  2. Step 2: Convert to fraction form
    1,313,808.74/1,970,713.11 = 471,901.22/x
  3. Step 3: Cross multiply
    1,313,808.74x = 1,970,713.11 × 471,901.22
  4. Step 4: Simplify right side
    1,313,808.74x = 929,981,920,878.99
  5. Step 5: Solve for x
    x = 929,981,920,878.99/1,313,808.74
  6. Step 6: Final answer
    x = 707,851.83

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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.