Home / 1,016,489.80-1,525,200.18-440,289.28

Finding the Fourth Proportional to 1,016,489.80, 1,525,200.18 and 440,289.28

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Solution

The fourth proportional to 1,016,489.80, 1,525,200.18 and 440,289.28 is: 660,635.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,489.80 : 1,525,200.18 = 440,289.28 : x
  2. Step 2: Convert to fraction form
    1,016,489.80/1,525,200.18 = 440,289.28/x
  3. Step 3: Cross multiply
    1,016,489.80x = 1,525,200.18 × 440,289.28
  4. Step 4: Simplify right side
    1,016,489.80x = 671,529,289,108.07
  5. Step 5: Solve for x
    x = 671,529,289,108.07/1,016,489.80
  6. Step 6: Final answer
    x = 660,635.54

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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.