Home / 1,235,110.20-1,852,665.30-393,661.95

Finding the Fourth Proportional to 1,235,110.20, 1,852,665.30 and 393,661.95

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Solution

The fourth proportional to 1,235,110.20, 1,852,665.30 and 393,661.95 is: 590,492.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,110.20 : 1,852,665.30 = 393,661.95 : x
  2. Step 2: Convert to fraction form
    1,235,110.20/1,852,665.30 = 393,661.95/x
  3. Step 3: Cross multiply
    1,235,110.20x = 1,852,665.30 × 393,661.95
  4. Step 4: Simplify right side
    1,235,110.20x = 729,323,834,695.34
  5. Step 5: Solve for x
    x = 729,323,834,695.34/1,235,110.20
  6. Step 6: Final answer
    x = 590,492.93

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1.5x scale

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.