Home / 683,621.82-942,785.10-569,278.98

Finding the Fourth Proportional to 683,621.82, 942,785.10 and 569,278.98

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Solution

The fourth proportional to 683,621.82, 942,785.10 and 569,278.98 is: 785,094.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,621.82 : 942,785.10 = 569,278.98 : x
  2. Step 2: Convert to fraction form
    683,621.82/942,785.10 = 569,278.98/x
  3. Step 3: Cross multiply
    683,621.82x = 942,785.10 × 569,278.98
  4. Step 4: Simplify right side
    683,621.82x = 536,707,740,087.20
  5. Step 5: Solve for x
    x = 536,707,740,087.20/683,621.82
  6. Step 6: Final answer
    x = 785,094.51

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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.