Home / 1,230,635.31-1,698,266.85-714,437.10

Finding the Fourth Proportional to 1,230,635.31, 1,698,266.85 and 714,437.10

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Solution

The fourth proportional to 1,230,635.31, 1,698,266.85 and 714,437.10 is: 985,917.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,635.31 : 1,698,266.85 = 714,437.10 : x
  2. Step 2: Convert to fraction form
    1,230,635.31/1,698,266.85 = 714,437.10/x
  3. Step 3: Cross multiply
    1,230,635.31x = 1,698,266.85 × 714,437.10
  4. Step 4: Simplify right side
    1,230,635.31x = 1,213,304,843,340.14
  5. Step 5: Solve for x
    x = 1,213,304,843,340.14/1,230,635.31
  6. Step 6: Final answer
    x = 985,917.46

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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.