Home / 678,938.32-1,018,598.14-199,177.44

Finding the Fourth Proportional to 678,938.32, 1,018,598.14 and 199,177.44

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Solution

The fourth proportional to 678,938.32, 1,018,598.14 and 199,177.44 is: 298,822.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,938.32 : 1,018,598.14 = 199,177.44 : x
  2. Step 2: Convert to fraction form
    678,938.32/1,018,598.14 = 199,177.44/x
  3. Step 3: Cross multiply
    678,938.32x = 1,018,598.14 × 199,177.44
  4. Step 4: Simplify right side
    678,938.32x = 202,881,769,913.96
  5. Step 5: Solve for x
    x = 202,881,769,913.96/678,938.32
  6. Step 6: Final answer
    x = 298,822.09

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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.