Home / 1,055,820.56-1,457,043.84-620,256.24

Finding the Fourth Proportional to 1,055,820.56, 1,457,043.84 and 620,256.24

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Solution

The fourth proportional to 1,055,820.56, 1,457,043.84 and 620,256.24 is: 855,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,820.56 : 1,457,043.84 = 620,256.24 : x
  2. Step 2: Convert to fraction form
    1,055,820.56/1,457,043.84 = 620,256.24/x
  3. Step 3: Cross multiply
    1,055,820.56x = 1,457,043.84 × 620,256.24
  4. Step 4: Simplify right side
    1,055,820.56x = 903,740,533,713.56
  5. Step 5: Solve for x
    x = 903,740,533,713.56/1,055,820.56
  6. Step 6: Final answer
    x = 855,960.35

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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.