Home / 678,030.63-935,811.27-448,592.46

Finding the Fourth Proportional to 678,030.63, 935,811.27 and 448,592.46

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Solution

The fourth proportional to 678,030.63, 935,811.27 and 448,592.46 is: 619,142.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,030.63 : 935,811.27 = 448,592.46 : x
  2. Step 2: Convert to fraction form
    678,030.63/935,811.27 = 448,592.46/x
  3. Step 3: Cross multiply
    678,030.63x = 935,811.27 × 448,592.46
  4. Step 4: Simplify right side
    678,030.63x = 419,797,879,705.02
  5. Step 5: Solve for x
    x = 419,797,879,705.02/678,030.63
  6. Step 6: Final answer
    x = 619,142.94

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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.