Home / 744,626.58-1,117,538.33-384,902.78

Finding the Fourth Proportional to 744,626.58, 1,117,538.33 and 384,902.78

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Solution

The fourth proportional to 744,626.58, 1,117,538.33 and 384,902.78 is: 577,663.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,626.58 : 1,117,538.33 = 384,902.78 : x
  2. Step 2: Convert to fraction form
    744,626.58/1,117,538.33 = 384,902.78/x
  3. Step 3: Cross multiply
    744,626.58x = 1,117,538.33 × 384,902.78
  4. Step 4: Simplify right side
    744,626.58x = 430,143,609,973.56
  5. Step 5: Solve for x
    x = 430,143,609,973.56/744,626.58
  6. Step 6: Final answer
    x = 577,663.52

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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.