Home / 1,018,415.37-1,405,436.67-559,558.59

Finding the Fourth Proportional to 1,018,415.37, 1,405,436.67 and 559,558.59

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Solution

The fourth proportional to 1,018,415.37, 1,405,436.67 and 559,558.59 is: 772,203.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,415.37 : 1,405,436.67 = 559,558.59 : x
  2. Step 2: Convert to fraction form
    1,018,415.37/1,405,436.67 = 559,558.59/x
  3. Step 3: Cross multiply
    1,018,415.37x = 1,405,436.67 × 559,558.59
  4. Step 4: Simplify right side
    1,018,415.37x = 786,424,161,399.50
  5. Step 5: Solve for x
    x = 786,424,161,399.50/1,018,415.37
  6. Step 6: Final answer
    x = 772,203.74

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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.