Home / 1,128,606.32-1,557,474.50-612,360.04

Finding the Fourth Proportional to 1,128,606.32, 1,557,474.50 and 612,360.04

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Solution

The fourth proportional to 1,128,606.32, 1,557,474.50 and 612,360.04 is: 845,055.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,606.32 : 1,557,474.50 = 612,360.04 : x
  2. Step 2: Convert to fraction form
    1,128,606.32/1,557,474.50 = 612,360.04/x
  3. Step 3: Cross multiply
    1,128,606.32x = 1,557,474.50 × 612,360.04
  4. Step 4: Simplify right side
    1,128,606.32x = 953,735,147,118.98
  5. Step 5: Solve for x
    x = 953,735,147,118.98/1,128,606.32
  6. Step 6: Final answer
    x = 845,055.65

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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.