Home / 925,404.80-1,277,051.40-517,507.43

Finding the Fourth Proportional to 925,404.80, 1,277,051.40 and 517,507.43

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Solution

The fourth proportional to 925,404.80, 1,277,051.40 and 517,507.43 is: 714,156.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,404.80 : 1,277,051.40 = 517,507.43 : x
  2. Step 2: Convert to fraction form
    925,404.80/1,277,051.40 = 517,507.43/x
  3. Step 3: Cross multiply
    925,404.80x = 1,277,051.40 × 517,507.43
  4. Step 4: Simplify right side
    925,404.80x = 660,883,581,606.65
  5. Step 5: Solve for x
    x = 660,883,581,606.65/925,404.80
  6. Step 6: Final answer
    x = 714,156.21

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1.5x scale

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.