Home / 916,659.43-1,265,222.53-626,388.48

Finding the Fourth Proportional to 916,659.43, 1,265,222.53 and 626,388.48

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Solution

The fourth proportional to 916,659.43, 1,265,222.53 and 626,388.48 is: 864,574.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,659.43 : 1,265,222.53 = 626,388.48 : x
  2. Step 2: Convert to fraction form
    916,659.43/1,265,222.53 = 626,388.48/x
  3. Step 3: Cross multiply
    916,659.43x = 1,265,222.53 × 626,388.48
  4. Step 4: Simplify right side
    916,659.43x = 792,520,818,211.44
  5. Step 5: Solve for x
    x = 792,520,818,211.44/916,659.43
  6. Step 6: Final answer
    x = 864,574.99

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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.