Home / 811,534.94-1,119,820.86-467,483.39

Finding the Fourth Proportional to 811,534.94, 1,119,820.86 and 467,483.39

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Solution

The fourth proportional to 811,534.94, 1,119,820.86 and 467,483.39 is: 645,071.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,534.94 : 1,119,820.86 = 467,483.39 : x
  2. Step 2: Convert to fraction form
    811,534.94/1,119,820.86 = 467,483.39/x
  3. Step 3: Cross multiply
    811,534.94x = 1,119,820.86 × 467,483.39
  4. Step 4: Simplify right side
    811,534.94x = 523,497,652,260.44
  5. Step 5: Solve for x
    x = 523,497,652,260.44/811,534.94
  6. Step 6: Final answer
    x = 645,071.00

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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.