Home / 919,828.64-1,379,743.34-413,798.55

Finding the Fourth Proportional to 919,828.64, 1,379,743.34 and 413,798.55

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Solution

The fourth proportional to 919,828.64, 1,379,743.34 and 413,798.55 is: 620,698.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,828.64 : 1,379,743.34 = 413,798.55 : x
  2. Step 2: Convert to fraction form
    919,828.64/1,379,743.34 = 413,798.55/x
  3. Step 3: Cross multiply
    919,828.64x = 1,379,743.34 × 413,798.55
  4. Step 4: Simplify right side
    919,828.64x = 570,935,791,395.16
  5. Step 5: Solve for x
    x = 570,935,791,395.16/919,828.64
  6. Step 6: Final answer
    x = 620,698.00

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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.