Home / 678,944.95-1,018,527.65-229,693.16

Finding the Fourth Proportional to 678,944.95, 1,018,527.65 and 229,693.16

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Solution

The fourth proportional to 678,944.95, 1,018,527.65 and 229,693.16 is: 344,577.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,944.95 : 1,018,527.65 = 229,693.16 : x
  2. Step 2: Convert to fraction form
    678,944.95/1,018,527.65 = 229,693.16/x
  3. Step 3: Cross multiply
    678,944.95x = 1,018,527.65 × 229,693.16
  4. Step 4: Simplify right side
    678,944.95x = 233,948,836,735.08
  5. Step 5: Solve for x
    x = 233,948,836,735.08/678,944.95
  6. Step 6: Final answer
    x = 344,577.03

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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.