Home / 939,809.14-1,409,487.90-433,884.06

Finding the Fourth Proportional to 939,809.14, 1,409,487.90 and 433,884.06

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Solution

The fourth proportional to 939,809.14, 1,409,487.90 and 433,884.06 is: 650,721.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,809.14 : 1,409,487.90 = 433,884.06 : x
  2. Step 2: Convert to fraction form
    939,809.14/1,409,487.90 = 433,884.06/x
  3. Step 3: Cross multiply
    939,809.14x = 1,409,487.90 × 433,884.06
  4. Step 4: Simplify right side
    939,809.14x = 611,554,325,609.67
  5. Step 5: Solve for x
    x = 611,554,325,609.67/939,809.14
  6. Step 6: Final answer
    x = 650,721.83

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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.