Home / 744,625.58-1,117,536.83-384,901.78

Finding the Fourth Proportional to 744,625.58, 1,117,536.83 and 384,901.78

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Solution

The fourth proportional to 744,625.58, 1,117,536.83 and 384,901.78 is: 577,662.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,625.58 : 1,117,536.83 = 384,901.78 : x
  2. Step 2: Convert to fraction form
    744,625.58/1,117,536.83 = 384,901.78/x
  3. Step 3: Cross multiply
    744,625.58x = 1,117,536.83 × 384,901.78
  4. Step 4: Simplify right side
    744,625.58x = 430,141,912,482.82
  5. Step 5: Solve for x
    x = 430,141,912,482.82/744,625.58
  6. Step 6: Final answer
    x = 577,662.02

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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.