Home / 1,117,361.61-1,541,852.28-627,218.82

Finding the Fourth Proportional to 1,117,361.61, 1,541,852.28 and 627,218.82

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Solution

The fourth proportional to 1,117,361.61, 1,541,852.28 and 627,218.82 is: 865,502.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,361.61 : 1,541,852.28 = 627,218.82 : x
  2. Step 2: Convert to fraction form
    1,117,361.61/1,541,852.28 = 627,218.82/x
  3. Step 3: Cross multiply
    1,117,361.61x = 1,541,852.28 × 627,218.82
  4. Step 4: Simplify right side
    1,117,361.61x = 967,078,767,675.91
  5. Step 5: Solve for x
    x = 967,078,767,675.91/1,117,361.61
  6. Step 6: Final answer
    x = 865,502.05

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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.