Home / 949,100.64-1,309,189.68-626,811.36

Finding the Fourth Proportional to 949,100.64, 1,309,189.68 and 626,811.36

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Solution

The fourth proportional to 949,100.64, 1,309,189.68 and 626,811.36 is: 864,623.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,100.64 : 1,309,189.68 = 626,811.36 : x
  2. Step 2: Convert to fraction form
    949,100.64/1,309,189.68 = 626,811.36/x
  3. Step 3: Cross multiply
    949,100.64x = 1,309,189.68 × 626,811.36
  4. Step 4: Simplify right side
    949,100.64x = 820,614,963,818.77
  5. Step 5: Solve for x
    x = 820,614,963,818.77/949,100.64
  6. Step 6: Final answer
    x = 864,623.76

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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.