Home / 825,695.41-1,139,368.55-463,044.64

Finding the Fourth Proportional to 825,695.41, 1,139,368.55 and 463,044.64

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Solution

The fourth proportional to 825,695.41, 1,139,368.55 and 463,044.64 is: 638,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,695.41 : 1,139,368.55 = 463,044.64 : x
  2. Step 2: Convert to fraction form
    825,695.41/1,139,368.55 = 463,044.64/x
  3. Step 3: Cross multiply
    825,695.41x = 1,139,368.55 × 463,044.64
  4. Step 4: Simplify right side
    825,695.41x = 527,578,500,062.07
  5. Step 5: Solve for x
    x = 527,578,500,062.07/825,695.41
  6. Step 6: Final answer
    x = 638,950.51

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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.