Home / 427,307.60-589,674.43-236,316.89

Finding the Fourth Proportional to 427,307.60, 589,674.43 and 236,316.89

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Solution

The fourth proportional to 427,307.60, 589,674.43 and 236,316.89 is: 326,111.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,307.60 : 589,674.43 = 236,316.89 : x
  2. Step 2: Convert to fraction form
    427,307.60/589,674.43 = 236,316.89/x
  3. Step 3: Cross multiply
    427,307.60x = 589,674.43 × 236,316.89
  4. Step 4: Simplify right side
    427,307.60x = 139,350,029,179.71
  5. Step 5: Solve for x
    x = 139,350,029,179.71/427,307.60
  6. Step 6: Final answer
    x = 326,111.75

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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.