Home / 642,410.58-963,287.76-237,582.30

Finding the Fourth Proportional to 642,410.58, 963,287.76 and 237,582.30

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Solution

The fourth proportional to 642,410.58, 963,287.76 and 237,582.30 is: 356,252.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,410.58 : 963,287.76 = 237,582.30 : x
  2. Step 2: Convert to fraction form
    642,410.58/963,287.76 = 237,582.30/x
  3. Step 3: Cross multiply
    642,410.58x = 963,287.76 × 237,582.30
  4. Step 4: Simplify right side
    642,410.58x = 228,860,121,582.65
  5. Step 5: Solve for x
    x = 228,860,121,582.65/642,410.58
  6. Step 6: Final answer
    x = 356,252.11

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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.