Home / 1,211,777.88-1,672,155.14-702,513.06

Finding the Fourth Proportional to 1,211,777.88, 1,672,155.14 and 702,513.06

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Solution

The fourth proportional to 1,211,777.88, 1,672,155.14 and 702,513.06 is: 969,411.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,777.88 : 1,672,155.14 = 702,513.06 : x
  2. Step 2: Convert to fraction form
    1,211,777.88/1,672,155.14 = 702,513.06/x
  3. Step 3: Cross multiply
    1,211,777.88x = 1,672,155.14 × 702,513.06
  4. Step 4: Simplify right side
    1,211,777.88x = 1,174,710,824,196.13
  5. Step 5: Solve for x
    x = 1,174,710,824,196.13/1,211,777.88
  6. Step 6: Final answer
    x = 969,411.01

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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.