Home / 692,986.88-1,039,393.92-194,389.76

Finding the Fourth Proportional to 692,986.88, 1,039,393.92 and 194,389.76

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Solution

The fourth proportional to 692,986.88, 1,039,393.92 and 194,389.76 is: 291,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,986.88 : 1,039,393.92 = 194,389.76 : x
  2. Step 2: Convert to fraction form
    692,986.88/1,039,393.92 = 194,389.76/x
  3. Step 3: Cross multiply
    692,986.88x = 1,039,393.92 × 194,389.76
  4. Step 4: Simplify right side
    692,986.88x = 202,047,534,654.26
  5. Step 5: Solve for x
    x = 202,047,534,654.26/692,986.88
  6. Step 6: Final answer
    x = 291,560.40

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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.