Home / 819,646.91-1,131,117.67-457,093.68

Finding the Fourth Proportional to 819,646.91, 1,131,117.67 and 457,093.68

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Solution

The fourth proportional to 819,646.91, 1,131,117.67 and 457,093.68 is: 630,792.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,646.91 : 1,131,117.67 = 457,093.68 : x
  2. Step 2: Convert to fraction form
    819,646.91/1,131,117.67 = 457,093.68/x
  3. Step 3: Cross multiply
    819,646.91x = 1,131,117.67 × 457,093.68
  4. Step 4: Simplify right side
    819,646.91x = 517,026,738,293.33
  5. Step 5: Solve for x
    x = 517,026,738,293.33/819,646.91
  6. Step 6: Final answer
    x = 630,792.03

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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.