Home / 1,404,772.07-1,938,110.90-914,518.35

Finding the Fourth Proportional to 1,404,772.07, 1,938,110.90 and 914,518.35

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Solution

The fourth proportional to 1,404,772.07, 1,938,110.90 and 914,518.35 is: 1,261,726.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,772.07 : 1,938,110.90 = 914,518.35 : x
  2. Step 2: Convert to fraction form
    1,404,772.07/1,938,110.90 = 914,518.35/x
  3. Step 3: Cross multiply
    1,404,772.07x = 1,938,110.90 × 914,518.35
  4. Step 4: Simplify right side
    1,404,772.07x = 1,772,437,977,812.42
  5. Step 5: Solve for x
    x = 1,772,437,977,812.42/1,404,772.07
  6. Step 6: Final answer
    x = 1,261,726.38

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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.