Home / 1,047,542.46-1,570,670.60-407,098.39

Finding the Fourth Proportional to 1,047,542.46, 1,570,670.60 and 407,098.39

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Solution

The fourth proportional to 1,047,542.46, 1,570,670.60 and 407,098.39 is: 610,397.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,542.46 : 1,570,670.60 = 407,098.39 : x
  2. Step 2: Convert to fraction form
    1,047,542.46/1,570,670.60 = 407,098.39/x
  3. Step 3: Cross multiply
    1,047,542.46x = 1,570,670.60 × 407,098.39
  4. Step 4: Simplify right side
    1,047,542.46x = 639,417,469,571.40
  5. Step 5: Solve for x
    x = 639,417,469,571.40/1,047,542.46
  6. Step 6: Final answer
    x = 610,397.66

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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.