Home / 1,018,131.70-1,527,393.96-386,996.16

Finding the Fourth Proportional to 1,018,131.70, 1,527,393.96 and 386,996.16

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Solution

The fourth proportional to 1,018,131.70, 1,527,393.96 and 386,996.16 is: 580,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,131.70 : 1,527,393.96 = 386,996.16 : x
  2. Step 2: Convert to fraction form
    1,018,131.70/1,527,393.96 = 386,996.16/x
  3. Step 3: Cross multiply
    1,018,131.70x = 1,527,393.96 × 386,996.16
  4. Step 4: Simplify right side
    1,018,131.70x = 591,095,597,327.19
  5. Step 5: Solve for x
    x = 591,095,597,327.19/1,018,131.70
  6. Step 6: Final answer
    x = 580,568.90

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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.