Home / 679,071.08-937,063.23-392,609.63

Finding the Fourth Proportional to 679,071.08, 937,063.23 and 392,609.63

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Solution

The fourth proportional to 679,071.08, 937,063.23 and 392,609.63 is: 541,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,071.08 : 937,063.23 = 392,609.63 : x
  2. Step 2: Convert to fraction form
    679,071.08/937,063.23 = 392,609.63/x
  3. Step 3: Cross multiply
    679,071.08x = 937,063.23 × 392,609.63
  4. Step 4: Simplify right side
    679,071.08x = 367,900,043,331.59
  5. Step 5: Solve for x
    x = 367,900,043,331.59/679,071.08
  6. Step 6: Final answer
    x = 541,769.57

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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.