Home / 1,898,133.32-2,847,201.60-478,177.40

Finding the Fourth Proportional to 1,898,133.32, 2,847,201.60 and 478,177.40

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Solution

The fourth proportional to 1,898,133.32, 2,847,201.60 and 478,177.40 is: 717,266.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,133.32 : 2,847,201.60 = 478,177.40 : x
  2. Step 2: Convert to fraction form
    1,898,133.32/2,847,201.60 = 478,177.40/x
  3. Step 3: Cross multiply
    1,898,133.32x = 2,847,201.60 × 478,177.40
  4. Step 4: Simplify right side
    1,898,133.32x = 1,361,467,458,363.84
  5. Step 5: Solve for x
    x = 1,361,467,458,363.84/1,898,133.32
  6. Step 6: Final answer
    x = 717,266.51

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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.