Home / 1,458,004.20-2,187,006.30-393,153.90

Finding the Fourth Proportional to 1,458,004.20, 2,187,006.30 and 393,153.90

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Solution

The fourth proportional to 1,458,004.20, 2,187,006.30 and 393,153.90 is: 589,730.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,004.20 : 2,187,006.30 = 393,153.90 : x
  2. Step 2: Convert to fraction form
    1,458,004.20/2,187,006.30 = 393,153.90/x
  3. Step 3: Cross multiply
    1,458,004.20x = 2,187,006.30 × 393,153.90
  4. Step 4: Simplify right side
    1,458,004.20x = 859,830,056,169.57
  5. Step 5: Solve for x
    x = 859,830,056,169.57/1,458,004.20
  6. Step 6: Final answer
    x = 589,730.85

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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.