Home / 696,859.16-962,077.89-438,957.19

Finding the Fourth Proportional to 696,859.16, 962,077.89 and 438,957.19

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Solution

The fourth proportional to 696,859.16, 962,077.89 and 438,957.19 is: 606,020.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,859.16 : 962,077.89 = 438,957.19 : x
  2. Step 2: Convert to fraction form
    696,859.16/962,077.89 = 438,957.19/x
  3. Step 3: Cross multiply
    696,859.16x = 962,077.89 × 438,957.19
  4. Step 4: Simplify right side
    696,859.16x = 422,311,007,155.53
  5. Step 5: Solve for x
    x = 422,311,007,155.53/696,859.16
  6. Step 6: Final answer
    x = 606,020.60

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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.