Home / 723,764.51-1,085,656.01-191,280.94

Finding the Fourth Proportional to 723,764.51, 1,085,656.01 and 191,280.94

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Solution

The fourth proportional to 723,764.51, 1,085,656.01 and 191,280.94 is: 286,923.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,764.51 : 1,085,656.01 = 191,280.94 : x
  2. Step 2: Convert to fraction form
    723,764.51/1,085,656.01 = 191,280.94/x
  3. Step 3: Cross multiply
    723,764.51x = 1,085,656.01 × 191,280.94
  4. Step 4: Simplify right side
    723,764.51x = 207,665,298,438.91
  5. Step 5: Solve for x
    x = 207,665,298,438.91/723,764.51
  6. Step 6: Final answer
    x = 286,923.85

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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.