Home / 857,759.09-1,183,708.71-475,785.86

Finding the Fourth Proportional to 857,759.09, 1,183,708.71 and 475,785.86

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Solution

The fourth proportional to 857,759.09, 1,183,708.71 and 475,785.86 is: 656,585.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,759.09 : 1,183,708.71 = 475,785.86 : x
  2. Step 2: Convert to fraction form
    857,759.09/1,183,708.71 = 475,785.86/x
  3. Step 3: Cross multiply
    857,759.09x = 1,183,708.71 × 475,785.86
  4. Step 4: Simplify right side
    857,759.09x = 563,191,860,658.30
  5. Step 5: Solve for x
    x = 563,191,860,658.30/857,759.09
  6. Step 6: Final answer
    x = 656,585.13

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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.