Home / 805,530.60-1,111,594.19-442,969.74

Finding the Fourth Proportional to 805,530.60, 1,111,594.19 and 442,969.74

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Solution

The fourth proportional to 805,530.60, 1,111,594.19 and 442,969.74 is: 611,277.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,530.60 : 1,111,594.19 = 442,969.74 : x
  2. Step 2: Convert to fraction form
    805,530.60/1,111,594.19 = 442,969.74/x
  3. Step 3: Cross multiply
    805,530.60x = 1,111,594.19 × 442,969.74
  4. Step 4: Simplify right side
    805,530.60x = 492,402,587,114.96
  5. Step 5: Solve for x
    x = 492,402,587,114.96/805,530.60
  6. Step 6: Final answer
    x = 611,277.32

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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.