Home / 938,837.94-1,295,597.04-509,117.96

Finding the Fourth Proportional to 938,837.94, 1,295,597.04 and 509,117.96

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Solution

The fourth proportional to 938,837.94, 1,295,597.04 and 509,117.96 is: 702,583.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,837.94 : 1,295,597.04 = 509,117.96 : x
  2. Step 2: Convert to fraction form
    938,837.94/1,295,597.04 = 509,117.96/x
  3. Step 3: Cross multiply
    938,837.94x = 1,295,597.04 × 509,117.96
  4. Step 4: Simplify right side
    938,837.94x = 659,611,721,986.84
  5. Step 5: Solve for x
    x = 659,611,721,986.84/938,837.94
  6. Step 6: Final answer
    x = 702,583.16

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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.