Home / 939,223.70-1,409,613.15-434,561.30

Finding the Fourth Proportional to 939,223.70, 1,409,613.15 and 434,561.30

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Solution

The fourth proportional to 939,223.70, 1,409,613.15 and 434,561.30 is: 652,201.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,223.70 : 1,409,613.15 = 434,561.30 : x
  2. Step 2: Convert to fraction form
    939,223.70/1,409,613.15 = 434,561.30/x
  3. Step 3: Cross multiply
    939,223.70x = 1,409,613.15 × 434,561.30
  4. Step 4: Simplify right side
    939,223.70x = 612,563,322,961.10
  5. Step 5: Solve for x
    x = 612,563,322,961.10/939,223.70
  6. Step 6: Final answer
    x = 652,201.73

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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.