Home / 1,578,037.34-2,177,647.94-889,703.16

Finding the Fourth Proportional to 1,578,037.34, 2,177,647.94 and 889,703.16

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Solution

The fourth proportional to 1,578,037.34, 2,177,647.94 and 889,703.16 is: 1,227,765.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,037.34 : 2,177,647.94 = 889,703.16 : x
  2. Step 2: Convert to fraction form
    1,578,037.34/2,177,647.94 = 889,703.16/x
  3. Step 3: Cross multiply
    1,578,037.34x = 2,177,647.94 × 889,703.16
  4. Step 4: Simplify right side
    1,578,037.34x = 1,937,460,247,643.57
  5. Step 5: Solve for x
    x = 1,937,460,247,643.57/1,578,037.34
  6. Step 6: Final answer
    x = 1,227,765.78

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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.