Home / 1,389,261.80-2,083,800.54-630,923.24

Finding the Fourth Proportional to 1,389,261.80, 2,083,800.54 and 630,923.24

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Solution

The fourth proportional to 1,389,261.80, 2,083,800.54 and 630,923.24 is: 946,343.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,261.80 : 2,083,800.54 = 630,923.24 : x
  2. Step 2: Convert to fraction form
    1,389,261.80/2,083,800.54 = 630,923.24/x
  3. Step 3: Cross multiply
    1,389,261.80x = 2,083,800.54 × 630,923.24
  4. Step 4: Simplify right side
    1,389,261.80x = 1,314,718,188,210.55
  5. Step 5: Solve for x
    x = 1,314,718,188,210.55/1,389,261.80
  6. Step 6: Final answer
    x = 946,343.01

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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.