Home / 1,578,038.34-2,177,649.32-889,704.16

Finding the Fourth Proportional to 1,578,038.34, 2,177,649.32 and 889,704.16

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Solution

The fourth proportional to 1,578,038.34, 2,177,649.32 and 889,704.16 is: 1,227,767.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,038.34 : 2,177,649.32 = 889,704.16 : x
  2. Step 2: Convert to fraction form
    1,578,038.34/2,177,649.32 = 889,704.16/x
  3. Step 3: Cross multiply
    1,578,038.34x = 2,177,649.32 × 889,704.16
  4. Step 4: Simplify right side
    1,578,038.34x = 1,937,463,659,025.17
  5. Step 5: Solve for x
    x = 1,937,463,659,025.17/1,578,038.34
  6. Step 6: Final answer
    x = 1,227,767.17

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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.