Home / 611,327.10-917,974.80-461,736.30

Finding the Fourth Proportional to 611,327.10, 917,974.80 and 461,736.30

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Solution

The fourth proportional to 611,327.10, 917,974.80 and 461,736.30 is: 693,347.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,327.10 : 917,974.80 = 461,736.30 : x
  2. Step 2: Convert to fraction form
    611,327.10/917,974.80 = 461,736.30/x
  3. Step 3: Cross multiply
    611,327.10x = 917,974.80 × 461,736.30
  4. Step 4: Simplify right side
    611,327.10x = 423,862,287,645.24
  5. Step 5: Solve for x
    x = 423,862,287,645.24/611,327.10
  6. Step 6: Final answer
    x = 693,347.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.