Home / 746,671.60-1,120,007.40-613,811.35

Finding the Fourth Proportional to 746,671.60, 1,120,007.40 and 613,811.35

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Solution

The fourth proportional to 746,671.60, 1,120,007.40 and 613,811.35 is: 920,717.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,671.60 : 1,120,007.40 = 613,811.35 : x
  2. Step 2: Convert to fraction form
    746,671.60/1,120,007.40 = 613,811.35/x
  3. Step 3: Cross multiply
    746,671.60x = 1,120,007.40 × 613,811.35
  4. Step 4: Simplify right side
    746,671.60x = 687,473,254,203.99
  5. Step 5: Solve for x
    x = 687,473,254,203.99/746,671.60
  6. Step 6: Final answer
    x = 920,717.03

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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.