Home / 808,333.02-1,115,507.70-445,771.35

Finding the Fourth Proportional to 808,333.02, 1,115,507.70 and 445,771.35

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Solution

The fourth proportional to 808,333.02, 1,115,507.70 and 445,771.35 is: 615,168.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,333.02 : 1,115,507.70 = 445,771.35 : x
  2. Step 2: Convert to fraction form
    808,333.02/1,115,507.70 = 445,771.35/x
  3. Step 3: Cross multiply
    808,333.02x = 1,115,507.70 × 445,771.35
  4. Step 4: Simplify right side
    808,333.02x = 497,261,373,364.40
  5. Step 5: Solve for x
    x = 497,261,373,364.40/808,333.02
  6. Step 6: Final answer
    x = 615,168.95

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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.