Home / 426,879.18-589,095.09-233,290.74

Finding the Fourth Proportional to 426,879.18, 589,095.09 and 233,290.74

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Solution

The fourth proportional to 426,879.18, 589,095.09 and 233,290.74 is: 321,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,879.18 : 589,095.09 = 233,290.74 : x
  2. Step 2: Convert to fraction form
    426,879.18/589,095.09 = 233,290.74/x
  3. Step 3: Cross multiply
    426,879.18x = 589,095.09 × 233,290.74
  4. Step 4: Simplify right side
    426,879.18x = 137,430,429,476.47
  5. Step 5: Solve for x
    x = 137,430,429,476.47/426,879.18
  6. Step 6: Final answer
    x = 321,942.22

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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.