Home / 837,780.16-1,156,102.32-455,807.32

Finding the Fourth Proportional to 837,780.16, 1,156,102.32 and 455,807.32

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Solution

The fourth proportional to 837,780.16, 1,156,102.32 and 455,807.32 is: 628,995.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,780.16 : 1,156,102.32 = 455,807.32 : x
  2. Step 2: Convert to fraction form
    837,780.16/1,156,102.32 = 455,807.32/x
  3. Step 3: Cross multiply
    837,780.16x = 1,156,102.32 × 455,807.32
  4. Step 4: Simplify right side
    837,780.16x = 526,959,900,124.98
  5. Step 5: Solve for x
    x = 526,959,900,124.98/837,780.16
  6. Step 6: Final answer
    x = 628,995.44

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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.