Home / 837,807.18-1,156,139.37-455,835.48

Finding the Fourth Proportional to 837,807.18, 1,156,139.37 and 455,835.48

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Solution

The fourth proportional to 837,807.18, 1,156,139.37 and 455,835.48 is: 629,034.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,807.18 : 1,156,139.37 = 455,835.48 : x
  2. Step 2: Convert to fraction form
    837,807.18/1,156,139.37 = 455,835.48/x
  3. Step 3: Cross multiply
    837,807.18x = 1,156,139.37 × 455,835.48
  4. Step 4: Simplify right side
    837,807.18x = 527,009,344,670.85
  5. Step 5: Solve for x
    x = 527,009,344,670.85/837,807.18
  6. Step 6: Final answer
    x = 629,034.17

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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.