Home / 1,066,510.50-1,600,356.21-638,995.74

Finding the Fourth Proportional to 1,066,510.50, 1,600,356.21 and 638,995.74

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Solution

The fourth proportional to 1,066,510.50, 1,600,356.21 and 638,995.74 is: 958,847.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,510.50 : 1,600,356.21 = 638,995.74 : x
  2. Step 2: Convert to fraction form
    1,066,510.50/1,600,356.21 = 638,995.74/x
  3. Step 3: Cross multiply
    1,066,510.50x = 1,600,356.21 × 638,995.74
  4. Step 4: Simplify right side
    1,066,510.50x = 1,022,620,800,672.55
  5. Step 5: Solve for x
    x = 1,022,620,800,672.55/1,066,510.50
  6. Step 6: Final answer
    x = 958,847.38

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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.