Home / 1,012,874.24-1,397,709.60-553,897.52

Finding the Fourth Proportional to 1,012,874.24, 1,397,709.60 and 553,897.52

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Solution

The fourth proportional to 1,012,874.24, 1,397,709.60 and 553,897.52 is: 764,347.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,874.24 : 1,397,709.60 = 553,897.52 : x
  2. Step 2: Convert to fraction form
    1,012,874.24/1,397,709.60 = 553,897.52/x
  3. Step 3: Cross multiply
    1,012,874.24x = 1,397,709.60 × 553,897.52
  4. Step 4: Simplify right side
    1,012,874.24x = 774,187,881,120.19
  5. Step 5: Solve for x
    x = 774,187,881,120.19/1,012,874.24
  6. Step 6: Final answer
    x = 764,347.49

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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.