Home / 746,931.62-1,030,852.78-424,690

Finding the Fourth Proportional to 746,931.62, 1,030,852.78 and 424,690

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Solution

The fourth proportional to 746,931.62, 1,030,852.78 and 424,690 is: 586,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,931.62 : 1,030,852.78 = 424,690 : x
  2. Step 2: Convert to fraction form
    746,931.62/1,030,852.78 = 424,690/x
  3. Step 3: Cross multiply
    746,931.62x = 1,030,852.78 × 424,690
  4. Step 4: Simplify right side
    746,931.62x = 437,792,867,138.20
  5. Step 5: Solve for x
    x = 437,792,867,138.20/746,931.62
  6. Step 6: Final answer
    x = 586,121.75

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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.