Home / 1,117,586.12-1,542,400.16-627,636.15

Finding the Fourth Proportional to 1,117,586.12, 1,542,400.16 and 627,636.15

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Solution

The fourth proportional to 1,117,586.12, 1,542,400.16 and 627,636.15 is: 866,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,586.12 : 1,542,400.16 = 627,636.15 : x
  2. Step 2: Convert to fraction form
    1,117,586.12/1,542,400.16 = 627,636.15/x
  3. Step 3: Cross multiply
    1,117,586.12x = 1,542,400.16 × 627,636.15
  4. Step 4: Simplify right side
    1,117,586.12x = 968,066,095,043.60
  5. Step 5: Solve for x
    x = 968,066,095,043.60/1,117,586.12
  6. Step 6: Final answer
    x = 866,211.63

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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.