Home / 774,024.80-1,158,412.80-679,546.40

Finding the Fourth Proportional to 774,024.80, 1,158,412.80 and 679,546.40

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Solution

The fourth proportional to 774,024.80, 1,158,412.80 and 679,546.40 is: 1,017,015.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,024.80 : 1,158,412.80 = 679,546.40 : x
  2. Step 2: Convert to fraction form
    774,024.80/1,158,412.80 = 679,546.40/x
  3. Step 3: Cross multiply
    774,024.80x = 1,158,412.80 × 679,546.40
  4. Step 4: Simplify right side
    774,024.80x = 787,195,247,953.92
  5. Step 5: Solve for x
    x = 787,195,247,953.92/774,024.80
  6. Step 6: Final answer
    x = 1,017,015.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.