Home / 840,578.50-1,159,189.14-565,555.96

Finding the Fourth Proportional to 840,578.50, 1,159,189.14 and 565,555.96

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Solution

The fourth proportional to 840,578.50, 1,159,189.14 and 565,555.96 is: 779,922.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,578.50 : 1,159,189.14 = 565,555.96 : x
  2. Step 2: Convert to fraction form
    840,578.50/1,159,189.14 = 565,555.96/x
  3. Step 3: Cross multiply
    840,578.50x = 1,159,189.14 × 565,555.96
  4. Step 4: Simplify right side
    840,578.50x = 655,586,326,894.27
  5. Step 5: Solve for x
    x = 655,586,326,894.27/840,578.50
  6. Step 6: Final answer
    x = 779,922.79

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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.