Home / 808,686.63-1,115,984.41-446,133.06

Finding the Fourth Proportional to 808,686.63, 1,115,984.41 and 446,133.06

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Solution

The fourth proportional to 808,686.63, 1,115,984.41 and 446,133.06 is: 615,661.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,686.63 : 1,115,984.41 = 446,133.06 : x
  2. Step 2: Convert to fraction form
    808,686.63/1,115,984.41 = 446,133.06/x
  3. Step 3: Cross multiply
    808,686.63x = 1,115,984.41 × 446,133.06
  4. Step 4: Simplify right side
    808,686.63x = 497,877,539,745.60
  5. Step 5: Solve for x
    x = 497,877,539,745.60/808,686.63
  6. Step 6: Final answer
    x = 615,661.89

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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.