Home / 777,913.80-1,166,870.70-186,937.80

Finding the Fourth Proportional to 777,913.80, 1,166,870.70 and 186,937.80

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Solution

The fourth proportional to 777,913.80, 1,166,870.70 and 186,937.80 is: 280,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,913.80 : 1,166,870.70 = 186,937.80 : x
  2. Step 2: Convert to fraction form
    777,913.80/1,166,870.70 = 186,937.80/x
  3. Step 3: Cross multiply
    777,913.80x = 1,166,870.70 × 186,937.80
  4. Step 4: Simplify right side
    777,913.80x = 218,132,241,542.46
  5. Step 5: Solve for x
    x = 218,132,241,542.46/777,913.80
  6. Step 6: Final answer
    x = 280,406.70

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1.5x scale

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.