Home / 888,990.91-1,226,675.54-539,949.81

Finding the Fourth Proportional to 888,990.91, 1,226,675.54 and 539,949.81

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Solution

The fourth proportional to 888,990.91, 1,226,675.54 and 539,949.81 is: 745,050.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,990.91 : 1,226,675.54 = 539,949.81 : x
  2. Step 2: Convert to fraction form
    888,990.91/1,226,675.54 = 539,949.81/x
  3. Step 3: Cross multiply
    888,990.91x = 1,226,675.54 × 539,949.81
  4. Step 4: Simplify right side
    888,990.91x = 662,343,224,754.65
  5. Step 5: Solve for x
    x = 662,343,224,754.65/888,990.91
  6. Step 6: Final answer
    x = 745,050.62

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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.