Home / 886,364.70-1,329,962.27-436,840.34

Finding the Fourth Proportional to 886,364.70, 1,329,962.27 and 436,840.34

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Solution

The fourth proportional to 886,364.70, 1,329,962.27 and 436,840.34 is: 655,465.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,364.70 : 1,329,962.27 = 436,840.34 : x
  2. Step 2: Convert to fraction form
    886,364.70/1,329,962.27 = 436,840.34/x
  3. Step 3: Cross multiply
    886,364.70x = 1,329,962.27 × 436,840.34
  4. Step 4: Simplify right side
    886,364.70x = 580,981,161,379.96
  5. Step 5: Solve for x
    x = 580,981,161,379.96/886,364.70
  6. Step 6: Final answer
    x = 655,465.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.