Home / 917,995.89-1,266,809.16-510,087.26

Finding the Fourth Proportional to 917,995.89, 1,266,809.16 and 510,087.26

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Solution

The fourth proportional to 917,995.89, 1,266,809.16 and 510,087.26 is: 703,906.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,995.89 : 1,266,809.16 = 510,087.26 : x
  2. Step 2: Convert to fraction form
    917,995.89/1,266,809.16 = 510,087.26/x
  3. Step 3: Cross multiply
    917,995.89x = 1,266,809.16 × 510,087.26
  4. Step 4: Simplify right side
    917,995.89x = 646,183,214,621.50
  5. Step 5: Solve for x
    x = 646,183,214,621.50/917,995.89
  6. Step 6: Final answer
    x = 703,906.43

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Double scale
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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.