Home / 656,397.14-905,815.51-369,911.48

Finding the Fourth Proportional to 656,397.14, 905,815.51 and 369,911.48

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Solution

The fourth proportional to 656,397.14, 905,815.51 and 369,911.48 is: 510,470.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,397.14 : 905,815.51 = 369,911.48 : x
  2. Step 2: Convert to fraction form
    656,397.14/905,815.51 = 369,911.48/x
  3. Step 3: Cross multiply
    656,397.14x = 905,815.51 × 369,911.48
  4. Step 4: Simplify right side
    656,397.14x = 335,071,550,457.20
  5. Step 5: Solve for x
    x = 335,071,550,457.20/656,397.14
  6. Step 6: Final answer
    x = 510,470.77

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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.