Home / 656,176.20-983,486.70-340,470.60

Finding the Fourth Proportional to 656,176.20, 983,486.70 and 340,470.60

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Solution

The fourth proportional to 656,176.20, 983,486.70 and 340,470.60 is: 510,302.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,176.20 : 983,486.70 = 340,470.60 : x
  2. Step 2: Convert to fraction form
    656,176.20/983,486.70 = 340,470.60/x
  3. Step 3: Cross multiply
    656,176.20x = 983,486.70 × 340,470.60
  4. Step 4: Simplify right side
    656,176.20x = 334,848,306,841.02
  5. Step 5: Solve for x
    x = 334,848,306,841.02/656,176.20
  6. Step 6: Final answer
    x = 510,302.43

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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.