Home / 913,768.92-1,261,133.01-526,510.17

Finding the Fourth Proportional to 913,768.92, 1,261,133.01 and 526,510.17

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Solution

The fourth proportional to 913,768.92, 1,261,133.01 and 526,510.17 is: 726,660.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,768.92 : 1,261,133.01 = 526,510.17 : x
  2. Step 2: Convert to fraction form
    913,768.92/1,261,133.01 = 526,510.17/x
  3. Step 3: Cross multiply
    913,768.92x = 1,261,133.01 × 526,510.17
  4. Step 4: Simplify right side
    913,768.92x = 663,999,355,487.71
  5. Step 5: Solve for x
    x = 663,999,355,487.71/913,768.92
  6. Step 6: Final answer
    x = 726,660.04

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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.