Home / 984,574.15-1,358,965.13-641,265.57

Finding the Fourth Proportional to 984,574.15, 1,358,965.13 and 641,265.57

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Solution

The fourth proportional to 984,574.15, 1,358,965.13 and 641,265.57 is: 885,111.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,574.15 : 1,358,965.13 = 641,265.57 : x
  2. Step 2: Convert to fraction form
    984,574.15/1,358,965.13 = 641,265.57/x
  3. Step 3: Cross multiply
    984,574.15x = 1,358,965.13 × 641,265.57
  4. Step 4: Simplify right side
    984,574.15x = 871,457,553,700.15
  5. Step 5: Solve for x
    x = 871,457,553,700.15/984,574.15
  6. Step 6: Final answer
    x = 885,111.15

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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.