Home / 806,596.80-1,209,895.13-245,631.30

Finding the Fourth Proportional to 806,596.80, 1,209,895.13 and 245,631.30

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Solution

The fourth proportional to 806,596.80, 1,209,895.13 and 245,631.30 is: 368,446.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,596.80 : 1,209,895.13 = 245,631.30 : x
  2. Step 2: Convert to fraction form
    806,596.80/1,209,895.13 = 245,631.30/x
  3. Step 3: Cross multiply
    806,596.80x = 1,209,895.13 × 245,631.30
  4. Step 4: Simplify right side
    806,596.80x = 297,188,112,417.41
  5. Step 5: Solve for x
    x = 297,188,112,417.41/806,596.80
  6. Step 6: Final answer
    x = 368,446.93

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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.