Home / 908,581.50-1,253,868.39-506,199.42

Finding the Fourth Proportional to 908,581.50, 1,253,868.39 and 506,199.42

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Solution

The fourth proportional to 908,581.50, 1,253,868.39 and 506,199.42 is: 698,569.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,581.50 : 1,253,868.39 = 506,199.42 : x
  2. Step 2: Convert to fraction form
    908,581.50/1,253,868.39 = 506,199.42/x
  3. Step 3: Cross multiply
    908,581.50x = 1,253,868.39 × 506,199.42
  4. Step 4: Simplify right side
    908,581.50x = 634,707,451,774.33
  5. Step 5: Solve for x
    x = 634,707,451,774.33/908,581.50
  6. Step 6: Final answer
    x = 698,569.64

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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.