Home / 1,762,665.78-2,431,583.50-1,151,176.48

Finding the Fourth Proportional to 1,762,665.78, 2,431,583.50 and 1,151,176.48

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Solution

The fourth proportional to 1,762,665.78, 2,431,583.50 and 1,151,176.48 is: 1,588,038.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,665.78 : 2,431,583.50 = 1,151,176.48 : x
  2. Step 2: Convert to fraction form
    1,762,665.78/2,431,583.50 = 1,151,176.48/x
  3. Step 3: Cross multiply
    1,762,665.78x = 2,431,583.50 × 1,151,176.48
  4. Step 4: Simplify right side
    1,762,665.78x = 2,799,181,734,356.08
  5. Step 5: Solve for x
    x = 2,799,181,734,356.08/1,762,665.78
  6. Step 6: Final answer
    x = 1,588,038.85

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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.