Home / 1,258,993.68-1,737,356.88-715,127.76

Finding the Fourth Proportional to 1,258,993.68, 1,737,356.88 and 715,127.76

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Solution

The fourth proportional to 1,258,993.68, 1,737,356.88 and 715,127.76 is: 986,845.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,993.68 : 1,737,356.88 = 715,127.76 : x
  2. Step 2: Convert to fraction form
    1,258,993.68/1,737,356.88 = 715,127.76/x
  3. Step 3: Cross multiply
    1,258,993.68x = 1,737,356.88 × 715,127.76
  4. Step 4: Simplify right side
    1,258,993.68x = 1,242,432,133,914.99
  5. Step 5: Solve for x
    x = 1,242,432,133,914.99/1,258,993.68
  6. Step 6: Final answer
    x = 986,845.41

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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.