Home / 1,235,030.96-1,852,511.88-393,633.20

Finding the Fourth Proportional to 1,235,030.96, 1,852,511.88 and 393,633.20

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Solution

The fourth proportional to 1,235,030.96, 1,852,511.88 and 393,633.20 is: 590,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,030.96 : 1,852,511.88 = 393,633.20 : x
  2. Step 2: Convert to fraction form
    1,235,030.96/1,852,511.88 = 393,633.20/x
  3. Step 3: Cross multiply
    1,235,030.96x = 1,852,511.88 × 393,633.20
  4. Step 4: Simplify right side
    1,235,030.96x = 729,210,179,362.42
  5. Step 5: Solve for x
    x = 729,210,179,362.42/1,235,030.96
  6. Step 6: Final answer
    x = 590,438.78

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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.