Home / 465,038.60-641,703.57-261,111.94

Finding the Fourth Proportional to 465,038.60, 641,703.57 and 261,111.94

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Solution

The fourth proportional to 465,038.60, 641,703.57 and 261,111.94 is: 360,306.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,038.60 : 641,703.57 = 261,111.94 : x
  2. Step 2: Convert to fraction form
    465,038.60/641,703.57 = 261,111.94/x
  3. Step 3: Cross multiply
    465,038.60x = 641,703.57 × 261,111.94
  4. Step 4: Simplify right side
    465,038.60x = 167,556,461,484.20
  5. Step 5: Solve for x
    x = 167,556,461,484.20/465,038.60
  6. Step 6: Final answer
    x = 360,306.57

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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.