Home / 784,894.32-1,081,090.80-603,258.84

Finding the Fourth Proportional to 784,894.32, 1,081,090.80 and 603,258.84

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Solution

The fourth proportional to 784,894.32, 1,081,090.80 and 603,258.84 is: 830,911.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,894.32 : 1,081,090.80 = 603,258.84 : x
  2. Step 2: Convert to fraction form
    784,894.32/1,081,090.80 = 603,258.84/x
  3. Step 3: Cross multiply
    784,894.32x = 1,081,090.80 × 603,258.84
  4. Step 4: Simplify right side
    784,894.32x = 652,177,581,942.67
  5. Step 5: Solve for x
    x = 652,177,581,942.67/784,894.32
  6. Step 6: Final answer
    x = 830,911.33

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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.