Home / 475,566.24-656,280-260,715.36

Finding the Fourth Proportional to 475,566.24, 656,280 and 260,715.36

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Solution

The fourth proportional to 475,566.24, 656,280 and 260,715.36 is: 359,786.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,566.24 : 656,280 = 260,715.36 : x
  2. Step 2: Convert to fraction form
    475,566.24/656,280 = 260,715.36/x
  3. Step 3: Cross multiply
    475,566.24x = 656,280 × 260,715.36
  4. Step 4: Simplify right side
    475,566.24x = 171,102,276,460.80
  5. Step 5: Solve for x
    x = 171,102,276,460.80/475,566.24
  6. Step 6: Final answer
    x = 359,786.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.