Home / 1,018,115.61-1,525,409.40-617,917.83

Finding the Fourth Proportional to 1,018,115.61, 1,525,409.40 and 617,917.83

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Solution

The fourth proportional to 1,018,115.61, 1,525,409.40 and 617,917.83 is: 925,806.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,115.61 : 1,525,409.40 = 617,917.83 : x
  2. Step 2: Convert to fraction form
    1,018,115.61/1,525,409.40 = 617,917.83/x
  3. Step 3: Cross multiply
    1,018,115.61x = 1,525,409.40 × 617,917.83
  4. Step 4: Simplify right side
    1,018,115.61x = 942,577,666,309.60
  5. Step 5: Solve for x
    x = 942,577,666,309.60/1,018,115.61
  6. Step 6: Final answer
    x = 925,806.12

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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.