Home / 1,051,025.30-1,576,077.15-419,729.30

Finding the Fourth Proportional to 1,051,025.30, 1,576,077.15 and 419,729.30

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Solution

The fourth proportional to 1,051,025.30, 1,576,077.15 and 419,729.30 is: 629,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,025.30 : 1,576,077.15 = 419,729.30 : x
  2. Step 2: Convert to fraction form
    1,051,025.30/1,576,077.15 = 419,729.30/x
  3. Step 3: Cross multiply
    1,051,025.30x = 1,576,077.15 × 419,729.30
  4. Step 4: Simplify right side
    1,051,025.30x = 661,525,758,915.50
  5. Step 5: Solve for x
    x = 661,525,758,915.50/1,051,025.30
  6. Step 6: Final answer
    x = 629,409.93

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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.