Home / 1,151,127.40-1,726,674.90-520,040.20

Finding the Fourth Proportional to 1,151,127.40, 1,726,674.90 and 520,040.20

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Solution

The fourth proportional to 1,151,127.40, 1,726,674.90 and 520,040.20 is: 780,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,127.40 : 1,726,674.90 = 520,040.20 : x
  2. Step 2: Convert to fraction form
    1,151,127.40/1,726,674.90 = 520,040.20/x
  3. Step 3: Cross multiply
    1,151,127.40x = 1,726,674.90 × 520,040.20
  4. Step 4: Simplify right side
    1,151,127.40x = 897,940,360,330.98
  5. Step 5: Solve for x
    x = 897,940,360,330.98/1,151,127.40
  6. Step 6: Final answer
    x = 780,052.98

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Double scale
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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.