Home / 763,584.70-1,053,718.01-424,074.82

Finding the Fourth Proportional to 763,584.70, 1,053,718.01 and 424,074.82

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Solution

The fourth proportional to 763,584.70, 1,053,718.01 and 424,074.82 is: 585,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,584.70 : 1,053,718.01 = 424,074.82 : x
  2. Step 2: Convert to fraction form
    763,584.70/1,053,718.01 = 424,074.82/x
  3. Step 3: Cross multiply
    763,584.70x = 1,053,718.01 × 424,074.82
  4. Step 4: Simplify right side
    763,584.70x = 446,855,270,152.92
  5. Step 5: Solve for x
    x = 446,855,270,152.92/763,584.70
  6. Step 6: Final answer
    x = 585,207.21

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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.