Home / 578,326.28-798,090.18-323,677.46

Finding the Fourth Proportional to 578,326.28, 798,090.18 and 323,677.46

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Solution

The fourth proportional to 578,326.28, 798,090.18 and 323,677.46 is: 446,674.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,326.28 : 798,090.18 = 323,677.46 : x
  2. Step 2: Convert to fraction form
    578,326.28/798,090.18 = 323,677.46/x
  3. Step 3: Cross multiply
    578,326.28x = 798,090.18 × 323,677.46
  4. Step 4: Simplify right side
    578,326.28x = 258,323,802,313.34
  5. Step 5: Solve for x
    x = 258,323,802,313.34/578,326.28
  6. Step 6: Final answer
    x = 446,674.85

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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.