Home / 729,317.40-1,093,500.90-654,667.80

Finding the Fourth Proportional to 729,317.40, 1,093,500.90 and 654,667.80

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Solution

The fourth proportional to 729,317.40, 1,093,500.90 and 654,667.80 is: 981,575.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,317.40 : 1,093,500.90 = 654,667.80 : x
  2. Step 2: Convert to fraction form
    729,317.40/1,093,500.90 = 654,667.80/x
  3. Step 3: Cross multiply
    729,317.40x = 1,093,500.90 × 654,667.80
  4. Step 4: Simplify right side
    729,317.40x = 715,879,828,501.02
  5. Step 5: Solve for x
    x = 715,879,828,501.02/729,317.40
  6. Step 6: Final answer
    x = 981,575.14

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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.