Home / 982,899.13-1,355,880.57-676,443.46

Finding the Fourth Proportional to 982,899.13, 1,355,880.57 and 676,443.46

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Solution

The fourth proportional to 982,899.13, 1,355,880.57 and 676,443.46 is: 933,133.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,899.13 : 1,355,880.57 = 676,443.46 : x
  2. Step 2: Convert to fraction form
    982,899.13/1,355,880.57 = 676,443.46/x
  3. Step 3: Cross multiply
    982,899.13x = 1,355,880.57 × 676,443.46
  4. Step 4: Simplify right side
    982,899.13x = 917,176,544,117.57
  5. Step 5: Solve for x
    x = 917,176,544,117.57/982,899.13
  6. Step 6: Final answer
    x = 933,133.95

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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.