Home / 928,005.63-1,279,305.82-651,521.77

Finding the Fourth Proportional to 928,005.63, 1,279,305.82 and 651,521.77

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Solution

The fourth proportional to 928,005.63, 1,279,305.82 and 651,521.77 is: 898,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,005.63 : 1,279,305.82 = 651,521.77 : x
  2. Step 2: Convert to fraction form
    928,005.63/1,279,305.82 = 651,521.77/x
  3. Step 3: Cross multiply
    928,005.63x = 1,279,305.82 × 651,521.77
  4. Step 4: Simplify right side
    928,005.63x = 833,495,589,867.22
  5. Step 5: Solve for x
    x = 833,495,589,867.22/928,005.63
  6. Step 6: Final answer
    x = 898,157.90

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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.