Home / 572,340.56-789,379.29-506,999.27

Finding the Fourth Proportional to 572,340.56, 789,379.29 and 506,999.27

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Solution

The fourth proportional to 572,340.56, 789,379.29 and 506,999.27 is: 699,259.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,340.56 : 789,379.29 = 506,999.27 : x
  2. Step 2: Convert to fraction form
    572,340.56/789,379.29 = 506,999.27/x
  3. Step 3: Cross multiply
    572,340.56x = 789,379.29 × 506,999.27
  4. Step 4: Simplify right side
    572,340.56x = 400,214,725,756.57
  5. Step 5: Solve for x
    x = 400,214,725,756.57/572,340.56
  6. Step 6: Final answer
    x = 699,259.77

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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.