Home / 918,027.07-1,266,852-510,118.36

Finding the Fourth Proportional to 918,027.07, 1,266,852 and 510,118.36

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Solution

The fourth proportional to 918,027.07, 1,266,852 and 510,118.36 is: 703,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,027.07 : 1,266,852 = 510,118.36 : x
  2. Step 2: Convert to fraction form
    918,027.07/1,266,852 = 510,118.36/x
  3. Step 3: Cross multiply
    918,027.07x = 1,266,852 × 510,118.36
  4. Step 4: Simplify right side
    918,027.07x = 646,244,464,602.72
  5. Step 5: Solve for x
    x = 646,244,464,602.72/918,027.07
  6. Step 6: Final answer
    x = 703,949.25

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Double scale
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Similar ratio
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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.