Home / 1,252,847.52-1,729,038.60-709,157.88

Finding the Fourth Proportional to 1,252,847.52, 1,729,038.60 and 709,157.88

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Solution

The fourth proportional to 1,252,847.52, 1,729,038.60 and 709,157.88 is: 978,699.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,847.52 : 1,729,038.60 = 709,157.88 : x
  2. Step 2: Convert to fraction form
    1,252,847.52/1,729,038.60 = 709,157.88/x
  3. Step 3: Cross multiply
    1,252,847.52x = 1,729,038.60 × 709,157.88
  4. Step 4: Simplify right side
    1,252,847.52x = 1,226,161,348,014.17
  5. Step 5: Solve for x
    x = 1,226,161,348,014.17/1,252,847.52
  6. Step 6: Final answer
    x = 978,699.59

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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.