Home / 1,040,981.52-1,562,305.77-1,007,767.20

Finding the Fourth Proportional to 1,040,981.52, 1,562,305.77 and 1,007,767.20

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Solution

The fourth proportional to 1,040,981.52, 1,562,305.77 and 1,007,767.20 is: 1,512,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,981.52 : 1,562,305.77 = 1,007,767.20 : x
  2. Step 2: Convert to fraction form
    1,040,981.52/1,562,305.77 = 1,007,767.20/x
  3. Step 3: Cross multiply
    1,040,981.52x = 1,562,305.77 × 1,007,767.20
  4. Step 4: Simplify right side
    1,040,981.52x = 1,574,440,511,376.74
  5. Step 5: Solve for x
    x = 1,574,440,511,376.74/1,040,981.52
  6. Step 6: Final answer
    x = 1,512,457.70

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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.