Home / 1,539,105.80-2,308,658.70-417,174.80

Finding the Fourth Proportional to 1,539,105.80, 2,308,658.70 and 417,174.80

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Solution

The fourth proportional to 1,539,105.80, 2,308,658.70 and 417,174.80 is: 625,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,105.80 : 2,308,658.70 = 417,174.80 : x
  2. Step 2: Convert to fraction form
    1,539,105.80/2,308,658.70 = 417,174.80/x
  3. Step 3: Cross multiply
    1,539,105.80x = 2,308,658.70 × 417,174.80
  4. Step 4: Simplify right side
    1,539,105.80x = 963,114,231,440.76
  5. Step 5: Solve for x
    x = 963,114,231,440.76/1,539,105.80
  6. Step 6: Final answer
    x = 625,762.20

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Double scale
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Similar ratio
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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.