Home / 1,218,728.01-1,827,007.94-578,636.85

Finding the Fourth Proportional to 1,218,728.01, 1,827,007.94 and 578,636.85

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Solution

The fourth proportional to 1,218,728.01, 1,827,007.94 and 578,636.85 is: 867,440.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,728.01 : 1,827,007.94 = 578,636.85 : x
  2. Step 2: Convert to fraction form
    1,218,728.01/1,827,007.94 = 578,636.85/x
  3. Step 3: Cross multiply
    1,218,728.01x = 1,827,007.94 × 578,636.85
  4. Step 4: Simplify right side
    1,218,728.01x = 1,057,174,124,369.63
  5. Step 5: Solve for x
    x = 1,057,174,124,369.63/1,218,728.01
  6. Step 6: Final answer
    x = 867,440.57

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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.