Home / 670,811.52-925,734.24-369,005.52

Finding the Fourth Proportional to 670,811.52, 925,734.24 and 369,005.52

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Solution

The fourth proportional to 670,811.52, 925,734.24 and 369,005.52 is: 509,235.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,811.52 : 925,734.24 = 369,005.52 : x
  2. Step 2: Convert to fraction form
    670,811.52/925,734.24 = 369,005.52/x
  3. Step 3: Cross multiply
    670,811.52x = 925,734.24 × 369,005.52
  4. Step 4: Simplify right side
    670,811.52x = 341,601,044,613.01
  5. Step 5: Solve for x
    x = 341,601,044,613.01/670,811.52
  6. Step 6: Final answer
    x = 509,235.51

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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.