Home / 1,314,101.36-1,813,459.86-710,489.36

Finding the Fourth Proportional to 1,314,101.36, 1,813,459.86 and 710,489.36

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Solution

The fourth proportional to 1,314,101.36, 1,813,459.86 and 710,489.36 is: 980,475.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,101.36 : 1,813,459.86 = 710,489.36 : x
  2. Step 2: Convert to fraction form
    1,314,101.36/1,813,459.86 = 710,489.36/x
  3. Step 3: Cross multiply
    1,314,101.36x = 1,813,459.86 × 710,489.36
  4. Step 4: Simplify right side
    1,314,101.36x = 1,288,443,935,317.09
  5. Step 5: Solve for x
    x = 1,288,443,935,317.09/1,314,101.36
  6. Step 6: Final answer
    x = 980,475.31

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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.