Home / 856,275.05-1,181,089.86-550,737.92

Finding the Fourth Proportional to 856,275.05, 1,181,089.86 and 550,737.92

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Solution

The fourth proportional to 856,275.05, 1,181,089.86 and 550,737.92 is: 759,651.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,275.05 : 1,181,089.86 = 550,737.92 : x
  2. Step 2: Convert to fraction form
    856,275.05/1,181,089.86 = 550,737.92/x
  3. Step 3: Cross multiply
    856,275.05x = 1,181,089.86 × 550,737.92
  4. Step 4: Simplify right side
    856,275.05x = 650,470,966,924.04
  5. Step 5: Solve for x
    x = 650,470,966,924.04/856,275.05
  6. Step 6: Final answer
    x = 759,651.90

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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.