Home / 426,876.21-589,070.04-235,885.50

Finding the Fourth Proportional to 426,876.21, 589,070.04 and 235,885.50

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Solution

The fourth proportional to 426,876.21, 589,070.04 and 235,885.50 is: 325,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,876.21 : 589,070.04 = 235,885.50 : x
  2. Step 2: Convert to fraction form
    426,876.21/589,070.04 = 235,885.50/x
  3. Step 3: Cross multiply
    426,876.21x = 589,070.04 × 235,885.50
  4. Step 4: Simplify right side
    426,876.21x = 138,953,080,920.42
  5. Step 5: Solve for x
    x = 138,953,080,920.42/426,876.21
  6. Step 6: Final answer
    x = 325,511.42

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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.