Home / 656,163.20-983,467.20-340,457.60

Finding the Fourth Proportional to 656,163.20, 983,467.20 and 340,457.60

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Solution

The fourth proportional to 656,163.20, 983,467.20 and 340,457.60 is: 510,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,163.20 : 983,467.20 = 340,457.60 : x
  2. Step 2: Convert to fraction form
    656,163.20/983,467.20 = 340,457.60/x
  3. Step 3: Cross multiply
    656,163.20x = 983,467.20 × 340,457.60
  4. Step 4: Simplify right side
    656,163.20x = 334,828,882,590.72
  5. Step 5: Solve for x
    x = 334,828,882,590.72/656,163.20
  6. Step 6: Final answer
    x = 510,282.93

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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.