Home / 983,167.56-1,356,767.69-553,448.79

Finding the Fourth Proportional to 983,167.56, 1,356,767.69 and 553,448.79

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Solution

The fourth proportional to 983,167.56, 1,356,767.69 and 553,448.79 is: 763,757.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,167.56 : 1,356,767.69 = 553,448.79 : x
  2. Step 2: Convert to fraction form
    983,167.56/1,356,767.69 = 553,448.79/x
  3. Step 3: Cross multiply
    983,167.56x = 1,356,767.69 × 553,448.79
  4. Step 4: Simplify right side
    983,167.56x = 750,901,433,574.35
  5. Step 5: Solve for x
    x = 750,901,433,574.35/983,167.56
  6. Step 6: Final answer
    x = 763,757.33

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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.