Home / 931,278.06-1,285,514.80-544,219.16

Finding the Fourth Proportional to 931,278.06, 1,285,514.80 and 544,219.16

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Solution

The fourth proportional to 931,278.06, 1,285,514.80 and 544,219.16 is: 751,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,278.06 : 1,285,514.80 = 544,219.16 : x
  2. Step 2: Convert to fraction form
    931,278.06/1,285,514.80 = 544,219.16/x
  3. Step 3: Cross multiply
    931,278.06x = 1,285,514.80 × 544,219.16
  4. Step 4: Simplify right side
    931,278.06x = 699,601,779,896.68
  5. Step 5: Solve for x
    x = 699,601,779,896.68/931,278.06
  6. Step 6: Final answer
    x = 751,227.60

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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.