Home / 1,018,409.26-1,405,428.24-559,552.47

Finding the Fourth Proportional to 1,018,409.26, 1,405,428.24 and 559,552.47

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Solution

The fourth proportional to 1,018,409.26, 1,405,428.24 and 559,552.47 is: 772,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,409.26 : 1,405,428.24 = 559,552.47 : x
  2. Step 2: Convert to fraction form
    1,018,409.26/1,405,428.24 = 559,552.47/x
  3. Step 3: Cross multiply
    1,018,409.26x = 1,405,428.24 × 559,552.47
  4. Step 4: Simplify right side
    1,018,409.26x = 786,410,843,099.75
  5. Step 5: Solve for x
    x = 786,410,843,099.75/1,018,409.26
  6. Step 6: Final answer
    x = 772,195.30

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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.