Home / 806,900.90-1,113,531.36-444,358.46

Finding the Fourth Proportional to 806,900.90, 1,113,531.36 and 444,358.46

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Solution

The fourth proportional to 806,900.90, 1,113,531.36 and 444,358.46 is: 613,219.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,900.90 : 1,113,531.36 = 444,358.46 : x
  2. Step 2: Convert to fraction form
    806,900.90/1,113,531.36 = 444,358.46/x
  3. Step 3: Cross multiply
    806,900.90x = 1,113,531.36 × 444,358.46
  4. Step 4: Simplify right side
    806,900.90x = 494,807,080,291.31
  5. Step 5: Solve for x
    x = 494,807,080,291.31/806,900.90
  6. Step 6: Final answer
    x = 613,219.15

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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.