Home / 1,053,860.85-1,453,938.93-691,485.89

Finding the Fourth Proportional to 1,053,860.85, 1,453,938.93 and 691,485.89

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Solution

The fourth proportional to 1,053,860.85, 1,453,938.93 and 691,485.89 is: 953,995.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,860.85 : 1,453,938.93 = 691,485.89 : x
  2. Step 2: Convert to fraction form
    1,053,860.85/1,453,938.93 = 691,485.89/x
  3. Step 3: Cross multiply
    1,053,860.85x = 1,453,938.93 × 691,485.89
  4. Step 4: Simplify right side
    1,053,860.85x = 1,005,378,247,747.00
  5. Step 5: Solve for x
    x = 1,005,378,247,747.00/1,053,860.85
  6. Step 6: Final answer
    x = 953,995.25

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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.