Home / 589,123.20-884,721.60-570,460.80

Finding the Fourth Proportional to 589,123.20, 884,721.60 and 570,460.80

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Solution

The fourth proportional to 589,123.20, 884,721.60 and 570,460.80 is: 856,695.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,123.20 : 884,721.60 = 570,460.80 : x
  2. Step 2: Convert to fraction form
    589,123.20/884,721.60 = 570,460.80/x
  3. Step 3: Cross multiply
    589,123.20x = 884,721.60 × 570,460.80
  4. Step 4: Simplify right side
    589,123.20x = 504,698,991,713.28
  5. Step 5: Solve for x
    x = 504,698,991,713.28/589,123.20
  6. Step 6: Final answer
    x = 856,695.16

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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.