Home / 967,479.81-1,335,138.12-531,915.57

Finding the Fourth Proportional to 967,479.81, 1,335,138.12 and 531,915.57

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Solution

The fourth proportional to 967,479.81, 1,335,138.12 and 531,915.57 is: 734,052.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,479.81 : 1,335,138.12 = 531,915.57 : x
  2. Step 2: Convert to fraction form
    967,479.81/1,335,138.12 = 531,915.57/x
  3. Step 3: Cross multiply
    967,479.81x = 1,335,138.12 × 531,915.57
  4. Step 4: Simplify right side
    967,479.81x = 710,180,754,128.53
  5. Step 5: Solve for x
    x = 710,180,754,128.53/967,479.81
  6. Step 6: Final answer
    x = 734,052.27

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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.