Home / 831,017.76-1,148,740.80-741,263.28

Finding the Fourth Proportional to 831,017.76, 1,148,740.80 and 741,263.28

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Solution

The fourth proportional to 831,017.76, 1,148,740.80 and 741,263.28 is: 1,024,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,017.76 : 1,148,740.80 = 741,263.28 : x
  2. Step 2: Convert to fraction form
    831,017.76/1,148,740.80 = 741,263.28/x
  3. Step 3: Cross multiply
    831,017.76x = 1,148,740.80 × 741,263.28
  4. Step 4: Simplify right side
    831,017.76x = 851,519,373,277.82
  5. Step 5: Solve for x
    x = 851,519,373,277.82/831,017.76
  6. Step 6: Final answer
    x = 1,024,670.49

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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.