Home / 1,291,158.50-1,937,048.80-404,694.50

Finding the Fourth Proportional to 1,291,158.50, 1,937,048.80 and 404,694.50

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Solution

The fourth proportional to 1,291,158.50, 1,937,048.80 and 404,694.50 is: 607,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,158.50 : 1,937,048.80 = 404,694.50 : x
  2. Step 2: Convert to fraction form
    1,291,158.50/1,937,048.80 = 404,694.50/x
  3. Step 3: Cross multiply
    1,291,158.50x = 1,937,048.80 × 404,694.50
  4. Step 4: Simplify right side
    1,291,158.50x = 783,912,995,591.60
  5. Step 5: Solve for x
    x = 783,912,995,591.60/1,291,158.50
  6. Step 6: Final answer
    x = 607,139.24

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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.