Home / 572,081.36-789,472.26-317,473.52

Finding the Fourth Proportional to 572,081.36, 789,472.26 and 317,473.52

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Solution

The fourth proportional to 572,081.36, 789,472.26 and 317,473.52 is: 438,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,081.36 : 789,472.26 = 317,473.52 : x
  2. Step 2: Convert to fraction form
    572,081.36/789,472.26 = 317,473.52/x
  3. Step 3: Cross multiply
    572,081.36x = 789,472.26 × 317,473.52
  4. Step 4: Simplify right side
    572,081.36x = 250,636,533,377.19
  5. Step 5: Solve for x
    x = 250,636,533,377.19/572,081.36
  6. Step 6: Final answer
    x = 438,113.45

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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.