Home / 910,561.26-1,256,541.60-502,654.34

Finding the Fourth Proportional to 910,561.26, 1,256,541.60 and 502,654.34

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Solution

The fourth proportional to 910,561.26, 1,256,541.60 and 502,654.34 is: 693,644.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,561.26 : 1,256,541.60 = 502,654.34 : x
  2. Step 2: Convert to fraction form
    910,561.26/1,256,541.60 = 502,654.34/x
  3. Step 3: Cross multiply
    910,561.26x = 1,256,541.60 × 502,654.34
  4. Step 4: Simplify right side
    910,561.26x = 631,606,088,630.54
  5. Step 5: Solve for x
    x = 631,606,088,630.54/910,561.26
  6. Step 6: Final answer
    x = 693,644.81

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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.