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Finding the Fourth Proportional to 1,095,924, 1,512,384 and 612,509.52

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Solution

The fourth proportional to 1,095,924, 1,512,384 and 612,509.52 is: 845,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,924 : 1,512,384 = 612,509.52 : x
  2. Step 2: Convert to fraction form
    1,095,924/1,512,384 = 612,509.52/x
  3. Step 3: Cross multiply
    1,095,924x = 1,512,384 × 612,509.52
  4. Step 4: Simplify right side
    1,095,924x = 926,349,597,895.68
  5. Step 5: Solve for x
    x = 926,349,597,895.68/1,095,924
  6. Step 6: Final answer
    x = 845,268.10

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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.