Home / 621,739.94-858,032.61-367,085.66

Finding the Fourth Proportional to 621,739.94, 858,032.61 and 367,085.66

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Solution

The fourth proportional to 621,739.94, 858,032.61 and 367,085.66 is: 506,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,739.94 : 858,032.61 = 367,085.66 : x
  2. Step 2: Convert to fraction form
    621,739.94/858,032.61 = 367,085.66/x
  3. Step 3: Cross multiply
    621,739.94x = 858,032.61 × 367,085.66
  4. Step 4: Simplify right side
    621,739.94x = 314,971,466,943.37
  5. Step 5: Solve for x
    x = 314,971,466,943.37/621,739.94
  6. Step 6: Final answer
    x = 506,596.80

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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.