Home / 636,824.36-878,943.23-365,074.73

Finding the Fourth Proportional to 636,824.36, 878,943.23 and 365,074.73

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Solution

The fourth proportional to 636,824.36, 878,943.23 and 365,074.73 is: 503,875.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,824.36 : 878,943.23 = 365,074.73 : x
  2. Step 2: Convert to fraction form
    636,824.36/878,943.23 = 365,074.73/x
  3. Step 3: Cross multiply
    636,824.36x = 878,943.23 × 365,074.73
  4. Step 4: Simplify right side
    636,824.36x = 320,879,956,157.49
  5. Step 5: Solve for x
    x = 320,879,956,157.49/636,824.36
  6. Step 6: Final answer
    x = 503,875.13

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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.