Home / 691,528.80-1,037,293.20-649,538.40

Finding the Fourth Proportional to 691,528.80, 1,037,293.20 and 649,538.40

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Solution

The fourth proportional to 691,528.80, 1,037,293.20 and 649,538.40 is: 974,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,528.80 : 1,037,293.20 = 649,538.40 : x
  2. Step 2: Convert to fraction form
    691,528.80/1,037,293.20 = 649,538.40/x
  3. Step 3: Cross multiply
    691,528.80x = 1,037,293.20 × 649,538.40
  4. Step 4: Simplify right side
    691,528.80x = 673,761,765,458.88
  5. Step 5: Solve for x
    x = 673,761,765,458.88/691,528.80
  6. Step 6: Final answer
    x = 974,307.60

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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.