Home / 805,445.67-1,111,533-442,846.47

Finding the Fourth Proportional to 805,445.67, 1,111,533 and 442,846.47

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Solution

The fourth proportional to 805,445.67, 1,111,533 and 442,846.47 is: 611,138.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,445.67 : 1,111,533 = 442,846.47 : x
  2. Step 2: Convert to fraction form
    805,445.67/1,111,533 = 442,846.47/x
  3. Step 3: Cross multiply
    805,445.67x = 1,111,533 × 442,846.47
  4. Step 4: Simplify right side
    805,445.67x = 492,238,465,338.51
  5. Step 5: Solve for x
    x = 492,238,465,338.51/805,445.67
  6. Step 6: Final answer
    x = 611,138.01

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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.