Home / 837,976.32-1,156,396.05-456,002.19

Finding the Fourth Proportional to 837,976.32, 1,156,396.05 and 456,002.19

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Solution

The fourth proportional to 837,976.32, 1,156,396.05 and 456,002.19 is: 629,276.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,976.32 : 1,156,396.05 = 456,002.19 : x
  2. Step 2: Convert to fraction form
    837,976.32/1,156,396.05 = 456,002.19/x
  3. Step 3: Cross multiply
    837,976.32x = 1,156,396.05 × 456,002.19
  4. Step 4: Simplify right side
    837,976.32x = 527,319,131,307.35
  5. Step 5: Solve for x
    x = 527,319,131,307.35/837,976.32
  6. Step 6: Final answer
    x = 629,276.89

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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.