Home / 427,354.65-589,764.83-236,369.40

Finding the Fourth Proportional to 427,354.65, 589,764.83 and 236,369.40

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Solution

The fourth proportional to 427,354.65, 589,764.83 and 236,369.40 is: 326,198.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,354.65 : 589,764.83 = 236,369.40 : x
  2. Step 2: Convert to fraction form
    427,354.65/589,764.83 = 236,369.40/x
  3. Step 3: Cross multiply
    427,354.65x = 589,764.83 × 236,369.40
  4. Step 4: Simplify right side
    427,354.65x = 139,402,357,826.36
  5. Step 5: Solve for x
    x = 139,402,357,826.36/427,354.65
  6. Step 6: Final answer
    x = 326,198.29

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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.