Home / 621,302.43-931,799.45-266,276.19

Finding the Fourth Proportional to 621,302.43, 931,799.45 and 266,276.19

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Solution

The fourth proportional to 621,302.43, 931,799.45 and 266,276.19 is: 399,348.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,302.43 : 931,799.45 = 266,276.19 : x
  2. Step 2: Convert to fraction form
    621,302.43/931,799.45 = 266,276.19/x
  3. Step 3: Cross multiply
    621,302.43x = 931,799.45 × 266,276.19
  4. Step 4: Simplify right side
    621,302.43x = 248,116,006,058.72
  5. Step 5: Solve for x
    x = 248,116,006,058.72/621,302.43
  6. Step 6: Final answer
    x = 399,348.20

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Double scale
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Similar ratio
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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.