Home / 726,784.97-1,090,094.40-194,347.51

Finding the Fourth Proportional to 726,784.97, 1,090,094.40 and 194,347.51

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Solution

The fourth proportional to 726,784.97, 1,090,094.40 and 194,347.51 is: 291,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,784.97 : 1,090,094.40 = 194,347.51 : x
  2. Step 2: Convert to fraction form
    726,784.97/1,090,094.40 = 194,347.51/x
  3. Step 3: Cross multiply
    726,784.97x = 1,090,094.40 × 194,347.51
  4. Step 4: Simplify right side
    726,784.97x = 211,857,129,579.71
  5. Step 5: Solve for x
    x = 211,857,129,579.71/726,784.97
  6. Step 6: Final answer
    x = 291,499.05

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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.