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Finding the Fourth Proportional to 1,014,283, 1,399,754.28 and 561,574

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Solution

The fourth proportional to 1,014,283, 1,399,754.28 and 561,574 is: 774,996.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,283 : 1,399,754.28 = 561,574 : x
  2. Step 2: Convert to fraction form
    1,014,283/1,399,754.28 = 561,574/x
  3. Step 3: Cross multiply
    1,014,283x = 1,399,754.28 × 561,574
  4. Step 4: Simplify right side
    1,014,283x = 786,065,610,036.72
  5. Step 5: Solve for x
    x = 786,065,610,036.72/1,014,283
  6. Step 6: Final answer
    x = 774,996.34

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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.