Home / 945,508.75-1,304,863.70-537,648.57

Finding the Fourth Proportional to 945,508.75, 1,304,863.70 and 537,648.57

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Solution

The fourth proportional to 945,508.75, 1,304,863.70 and 537,648.57 is: 741,990.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,508.75 : 1,304,863.70 = 537,648.57 : x
  2. Step 2: Convert to fraction form
    945,508.75/1,304,863.70 = 537,648.57/x
  3. Step 3: Cross multiply
    945,508.75x = 1,304,863.70 × 537,648.57
  4. Step 4: Simplify right side
    945,508.75x = 701,558,099,661.67
  5. Step 5: Solve for x
    x = 701,558,099,661.67/945,508.75
  6. Step 6: Final answer
    x = 741,990.07

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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.