Home / 805,335.93-1,111,364.28-442,765.98

Finding the Fourth Proportional to 805,335.93, 1,111,364.28 and 442,765.98

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Solution

The fourth proportional to 805,335.93, 1,111,364.28 and 442,765.98 is: 611,017.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,335.93 : 1,111,364.28 = 442,765.98 : x
  2. Step 2: Convert to fraction form
    805,335.93/1,111,364.28 = 442,765.98/x
  3. Step 3: Cross multiply
    805,335.93x = 1,111,364.28 × 442,765.98
  4. Step 4: Simplify right side
    805,335.93x = 492,074,294,571.19
  5. Step 5: Solve for x
    x = 492,074,294,571.19/805,335.93
  6. Step 6: Final answer
    x = 611,017.44

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1.5x scale

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.