Home / 1,240,727.80-1,861,091.70-1,037,774.20

Finding the Fourth Proportional to 1,240,727.80, 1,861,091.70 and 1,037,774.20

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Solution

The fourth proportional to 1,240,727.80, 1,861,091.70 and 1,037,774.20 is: 1,556,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,727.80 : 1,861,091.70 = 1,037,774.20 : x
  2. Step 2: Convert to fraction form
    1,240,727.80/1,861,091.70 = 1,037,774.20/x
  3. Step 3: Cross multiply
    1,240,727.80x = 1,861,091.70 × 1,037,774.20
  4. Step 4: Simplify right side
    1,240,727.80x = 1,931,392,950,094.14
  5. Step 5: Solve for x
    x = 1,931,392,950,094.14/1,240,727.80
  6. Step 6: Final answer
    x = 1,556,661.30

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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.