Home / 922,780.40-1,384,170.60-603,915.80

Finding the Fourth Proportional to 922,780.40, 1,384,170.60 and 603,915.80

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Solution

The fourth proportional to 922,780.40, 1,384,170.60 and 603,915.80 is: 905,873.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,780.40 : 1,384,170.60 = 603,915.80 : x
  2. Step 2: Convert to fraction form
    922,780.40/1,384,170.60 = 603,915.80/x
  3. Step 3: Cross multiply
    922,780.40x = 1,384,170.60 × 603,915.80
  4. Step 4: Simplify right side
    922,780.40x = 835,922,495,235.48
  5. Step 5: Solve for x
    x = 835,922,495,235.48/922,780.40
  6. Step 6: Final answer
    x = 905,873.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.