Home / 1,045,440.02-1,567,737.90-405,406.76

Finding the Fourth Proportional to 1,045,440.02, 1,567,737.90 and 405,406.76

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Solution

The fourth proportional to 1,045,440.02, 1,567,737.90 and 405,406.76 is: 607,946.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,440.02 : 1,567,737.90 = 405,406.76 : x
  2. Step 2: Convert to fraction form
    1,045,440.02/1,567,737.90 = 405,406.76/x
  3. Step 3: Cross multiply
    1,045,440.02x = 1,567,737.90 × 405,406.76
  4. Step 4: Simplify right side
    1,045,440.02x = 635,571,542,568.20
  5. Step 5: Solve for x
    x = 635,571,542,568.20/1,045,440.02
  6. Step 6: Final answer
    x = 607,946.44

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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.