Home / 1,326,643.60-1,830,817.20-753,781.36

Finding the Fourth Proportional to 1,326,643.60, 1,830,817.20 and 753,781.36

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Solution

The fourth proportional to 1,326,643.60, 1,830,817.20 and 753,781.36 is: 1,040,246.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,643.60 : 1,830,817.20 = 753,781.36 : x
  2. Step 2: Convert to fraction form
    1,326,643.60/1,830,817.20 = 753,781.36/x
  3. Step 3: Cross multiply
    1,326,643.60x = 1,830,817.20 × 753,781.36
  4. Step 4: Simplify right side
    1,326,643.60x = 1,380,035,878,927.39
  5. Step 5: Solve for x
    x = 1,380,035,878,927.39/1,326,643.60
  6. Step 6: Final answer
    x = 1,040,246.14

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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.