Home / 385,848.49-532,000.41-283,562.50

Finding the Fourth Proportional to 385,848.49, 532,000.41 and 283,562.50

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Solution

The fourth proportional to 385,848.49, 532,000.41 and 283,562.50 is: 390,970.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,848.49 : 532,000.41 = 283,562.50 : x
  2. Step 2: Convert to fraction form
    385,848.49/532,000.41 = 283,562.50/x
  3. Step 3: Cross multiply
    385,848.49x = 532,000.41 × 283,562.50
  4. Step 4: Simplify right side
    385,848.49x = 150,855,366,260.63
  5. Step 5: Solve for x
    x = 150,855,366,260.63/385,848.49
  6. Step 6: Final answer
    x = 390,970.47

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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.