Home / 744,378.42-1,116,574.54-211,899.43

Finding the Fourth Proportional to 744,378.42, 1,116,574.54 and 211,899.43

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Solution

The fourth proportional to 744,378.42, 1,116,574.54 and 211,899.43 is: 317,851.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,378.42 : 1,116,574.54 = 211,899.43 : x
  2. Step 2: Convert to fraction form
    744,378.42/1,116,574.54 = 211,899.43/x
  3. Step 3: Cross multiply
    744,378.42x = 1,116,574.54 × 211,899.43
  4. Step 4: Simplify right side
    744,378.42x = 236,601,509,444.48
  5. Step 5: Solve for x
    x = 236,601,509,444.48/744,378.42
  6. Step 6: Final answer
    x = 317,851.11

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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.