Home / 1,149,444.01-1,586,281.94-640,146.39

Finding the Fourth Proportional to 1,149,444.01, 1,586,281.94 and 640,146.39

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Solution

The fourth proportional to 1,149,444.01, 1,586,281.94 and 640,146.39 is: 883,429.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,444.01 : 1,586,281.94 = 640,146.39 : x
  2. Step 2: Convert to fraction form
    1,149,444.01/1,586,281.94 = 640,146.39/x
  3. Step 3: Cross multiply
    1,149,444.01x = 1,586,281.94 × 640,146.39
  4. Step 4: Simplify right side
    1,149,444.01x = 1,015,452,657,413.20
  5. Step 5: Solve for x
    x = 1,015,452,657,413.20/1,149,444.01
  6. Step 6: Final answer
    x = 883,429.42

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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.