Home / 740,635.40-1,022,159.96-418,366.24

Finding the Fourth Proportional to 740,635.40, 1,022,159.96 and 418,366.24

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Solution

The fourth proportional to 740,635.40, 1,022,159.96 and 418,366.24 is: 577,392.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,635.40 : 1,022,159.96 = 418,366.24 : x
  2. Step 2: Convert to fraction form
    740,635.40/1,022,159.96 = 418,366.24/x
  3. Step 3: Cross multiply
    740,635.40x = 1,022,159.96 × 418,366.24
  4. Step 4: Simplify right side
    740,635.40x = 427,637,219,143.75
  5. Step 5: Solve for x
    x = 427,637,219,143.75/740,635.40
  6. Step 6: Final answer
    x = 577,392.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.