Home / 833,689.21-1,150,512.51-511,577.32

Finding the Fourth Proportional to 833,689.21, 1,150,512.51 and 511,577.32

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Solution

The fourth proportional to 833,689.21, 1,150,512.51 and 511,577.32 is: 705,989.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,689.21 : 1,150,512.51 = 511,577.32 : x
  2. Step 2: Convert to fraction form
    833,689.21/1,150,512.51 = 511,577.32/x
  3. Step 3: Cross multiply
    833,689.21x = 1,150,512.51 × 511,577.32
  4. Step 4: Simplify right side
    833,689.21x = 588,576,106,492.27
  5. Step 5: Solve for x
    x = 588,576,106,492.27/833,689.21
  6. Step 6: Final answer
    x = 705,989.83

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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.