Home / 426,962.58-639,888.22-173,946.72

Finding the Fourth Proportional to 426,962.58, 639,888.22 and 173,946.72

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Solution

The fourth proportional to 426,962.58, 639,888.22 and 173,946.72 is: 260,693.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,962.58 : 639,888.22 = 173,946.72 : x
  2. Step 2: Convert to fraction form
    426,962.58/639,888.22 = 173,946.72/x
  3. Step 3: Cross multiply
    426,962.58x = 639,888.22 × 173,946.72
  4. Step 4: Simplify right side
    426,962.58x = 111,306,457,035.64
  5. Step 5: Solve for x
    x = 111,306,457,035.64/426,962.58
  6. Step 6: Final answer
    x = 260,693.71

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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.