Home / 982,891.67-1,356,434.16-553,199.63

Finding the Fourth Proportional to 982,891.67, 1,356,434.16 and 553,199.63

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Solution

The fourth proportional to 982,891.67, 1,356,434.16 and 553,199.63 is: 763,440.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,891.67 : 1,356,434.16 = 553,199.63 : x
  2. Step 2: Convert to fraction form
    982,891.67/1,356,434.16 = 553,199.63/x
  3. Step 3: Cross multiply
    982,891.67x = 1,356,434.16 × 553,199.63
  4. Step 4: Simplify right side
    982,891.67x = 750,378,875,431.36
  5. Step 5: Solve for x
    x = 750,378,875,431.36/982,891.67
  6. Step 6: Final answer
    x = 763,440.06

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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.