Home / 805,329.44-1,111,355.34-442,759.47

Finding the Fourth Proportional to 805,329.44, 1,111,355.34 and 442,759.47

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Solution

The fourth proportional to 805,329.44, 1,111,355.34 and 442,759.47 is: 611,008.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,329.44 : 1,111,355.34 = 442,759.47 : x
  2. Step 2: Convert to fraction form
    805,329.44/1,111,355.34 = 442,759.47/x
  3. Step 3: Cross multiply
    805,329.44x = 1,111,355.34 × 442,759.47
  4. Step 4: Simplify right side
    805,329.44x = 492,063,095,492.14
  5. Step 5: Solve for x
    x = 492,063,095,492.14/805,329.44
  6. Step 6: Final answer
    x = 611,008.45

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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.