Home / 427,098.08-589,407.65-236,123.77

Finding the Fourth Proportional to 427,098.08, 589,407.65 and 236,123.77

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Solution

The fourth proportional to 427,098.08, 589,407.65 and 236,123.77 is: 325,857.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,098.08 : 589,407.65 = 236,123.77 : x
  2. Step 2: Convert to fraction form
    427,098.08/589,407.65 = 236,123.77/x
  3. Step 3: Cross multiply
    427,098.08x = 589,407.65 × 236,123.77
  4. Step 4: Simplify right side
    427,098.08x = 139,173,153,730.70
  5. Step 5: Solve for x
    x = 139,173,153,730.70/427,098.08
  6. Step 6: Final answer
    x = 325,857.60

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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.