Home / 1,234,830.30-1,852,381.53-393,188.46

Finding the Fourth Proportional to 1,234,830.30, 1,852,381.53 and 393,188.46

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Solution

The fourth proportional to 1,234,830.30, 1,852,381.53 and 393,188.46 is: 589,826.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,830.30 : 1,852,381.53 = 393,188.46 : x
  2. Step 2: Convert to fraction form
    1,234,830.30/1,852,381.53 = 393,188.46/x
  3. Step 3: Cross multiply
    1,234,830.30x = 1,852,381.53 × 393,188.46
  4. Step 4: Simplify right side
    1,234,830.30x = 728,335,041,113.14
  5. Step 5: Solve for x
    x = 728,335,041,113.14/1,234,830.30
  6. Step 6: Final answer
    x = 589,826.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.