Home / 666,195.14-919,091.13-424,434.44

Finding the Fourth Proportional to 666,195.14, 919,091.13 and 424,434.44

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Solution

The fourth proportional to 666,195.14, 919,091.13 and 424,434.44 is: 585,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,195.14 : 919,091.13 = 424,434.44 : x
  2. Step 2: Convert to fraction form
    666,195.14/919,091.13 = 424,434.44/x
  3. Step 3: Cross multiply
    666,195.14x = 919,091.13 × 424,434.44
  4. Step 4: Simplify right side
    666,195.14x = 390,093,929,070.52
  5. Step 5: Solve for x
    x = 390,093,929,070.52/666,195.14
  6. Step 6: Final answer
    x = 585,555.05

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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.