Home / 734,112.02-1,013,107.97-428,194.46

Finding the Fourth Proportional to 734,112.02, 1,013,107.97 and 428,194.46

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Solution

The fourth proportional to 734,112.02, 1,013,107.97 and 428,194.46 is: 590,927.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,112.02 : 1,013,107.97 = 428,194.46 : x
  2. Step 2: Convert to fraction form
    734,112.02/1,013,107.97 = 428,194.46/x
  3. Step 3: Cross multiply
    734,112.02x = 1,013,107.97 × 428,194.46
  4. Step 4: Simplify right side
    734,112.02x = 433,807,217,994.87
  5. Step 5: Solve for x
    x = 433,807,217,994.87/734,112.02
  6. Step 6: Final answer
    x = 590,927.82

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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.