Home / 910,653.00-1,256,743.20-502,812.73

Finding the Fourth Proportional to 910,653.00, 1,256,743.20 and 502,812.73

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Solution

The fourth proportional to 910,653.00, 1,256,743.20 and 502,812.73 is: 693,904.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,653.00 : 1,256,743.20 = 502,812.73 : x
  2. Step 2: Convert to fraction form
    910,653.00/1,256,743.20 = 502,812.73/x
  3. Step 3: Cross multiply
    910,653.00x = 1,256,743.20 × 502,812.73
  4. Step 4: Simplify right side
    910,653.00x = 631,906,479,929.09
  5. Step 5: Solve for x
    x = 631,906,479,929.09/910,653.00
  6. Step 6: Final answer
    x = 693,904.79

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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.