Home / 853,922.56-1,281,686.40-433,500.16

Finding the Fourth Proportional to 853,922.56, 1,281,686.40 and 433,500.16

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Solution

The fourth proportional to 853,922.56, 1,281,686.40 and 433,500.16 is: 650,657.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,922.56 : 1,281,686.40 = 433,500.16 : x
  2. Step 2: Convert to fraction form
    853,922.56/1,281,686.40 = 433,500.16/x
  3. Step 3: Cross multiply
    853,922.56x = 1,281,686.40 × 433,500.16
  4. Step 4: Simplify right side
    853,922.56x = 555,611,259,469.82
  5. Step 5: Solve for x
    x = 555,611,259,469.82/853,922.56
  6. Step 6: Final answer
    x = 650,657.67

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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.