Home / 1,019,161.28-1,529,018.40-354,365.12

Finding the Fourth Proportional to 1,019,161.28, 1,529,018.40 and 354,365.12

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Solution

The fourth proportional to 1,019,161.28, 1,529,018.40 and 354,365.12 is: 531,643.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,161.28 : 1,529,018.40 = 354,365.12 : x
  2. Step 2: Convert to fraction form
    1,019,161.28/1,529,018.40 = 354,365.12/x
  3. Step 3: Cross multiply
    1,019,161.28x = 1,529,018.40 × 354,365.12
  4. Step 4: Simplify right side
    1,019,161.28x = 541,830,788,798.21
  5. Step 5: Solve for x
    x = 541,830,788,798.21/1,019,161.28
  6. Step 6: Final answer
    x = 531,643.81

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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.