Home / 1,117,342.18-1,541,825.48-627,199.40

Finding the Fourth Proportional to 1,117,342.18, 1,541,825.48 and 627,199.40

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Solution

The fourth proportional to 1,117,342.18, 1,541,825.48 and 627,199.40 is: 865,475.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,342.18 : 1,541,825.48 = 627,199.40 : x
  2. Step 2: Convert to fraction form
    1,117,342.18/1,541,825.48 = 627,199.40/x
  3. Step 3: Cross multiply
    1,117,342.18x = 1,541,825.48 × 627,199.40
  4. Step 4: Simplify right side
    1,117,342.18x = 967,032,021,383.27
  5. Step 5: Solve for x
    x = 967,032,021,383.27/1,117,342.18
  6. Step 6: Final answer
    x = 865,475.27

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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.