Home / 763,621.27-1,053,799.82-424,089.52

Finding the Fourth Proportional to 763,621.27, 1,053,799.82 and 424,089.52

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Solution

The fourth proportional to 763,621.27, 1,053,799.82 and 424,089.52 is: 585,244.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,621.27 : 1,053,799.82 = 424,089.52 : x
  2. Step 2: Convert to fraction form
    763,621.27/1,053,799.82 = 424,089.52/x
  3. Step 3: Cross multiply
    763,621.27x = 1,053,799.82 × 424,089.52
  4. Step 4: Simplify right side
    763,621.27x = 446,905,457,719.44
  5. Step 5: Solve for x
    x = 446,905,457,719.44/763,621.27
  6. Step 6: Final answer
    x = 585,244.91

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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.