Home / 1,039,844-1,555,263.21-612,360.83

Finding the Fourth Proportional to 1,039,844, 1,555,263.21 and 612,360.83

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Solution

The fourth proportional to 1,039,844, 1,555,263.21 and 612,360.83 is: 915,889.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,844 : 1,555,263.21 = 612,360.83 : x
  2. Step 2: Convert to fraction form
    1,039,844/1,555,263.21 = 612,360.83/x
  3. Step 3: Cross multiply
    1,039,844x = 1,555,263.21 × 612,360.83
  4. Step 4: Simplify right side
    1,039,844x = 952,382,270,144.06
  5. Step 5: Solve for x
    x = 952,382,270,144.06/1,039,844
  6. Step 6: Final answer
    x = 915,889.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.