Home / 525,946.80-789,620.12-276,803.76

Finding the Fourth Proportional to 525,946.80, 789,620.12 and 276,803.76

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Solution

The fourth proportional to 525,946.80, 789,620.12 and 276,803.76 is: 415,574.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,946.80 : 789,620.12 = 276,803.76 : x
  2. Step 2: Convert to fraction form
    525,946.80/789,620.12 = 276,803.76/x
  3. Step 3: Cross multiply
    525,946.80x = 789,620.12 × 276,803.76
  4. Step 4: Simplify right side
    525,946.80x = 218,569,818,187.65
  5. Step 5: Solve for x
    x = 218,569,818,187.65/525,946.80
  6. Step 6: Final answer
    x = 415,574.01

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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.