Home / 1,037,756.20-1,556,519.10-289,877.80

Finding the Fourth Proportional to 1,037,756.20, 1,556,519.10 and 289,877.80

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Solution

The fourth proportional to 1,037,756.20, 1,556,519.10 and 289,877.80 is: 434,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,756.20 : 1,556,519.10 = 289,877.80 : x
  2. Step 2: Convert to fraction form
    1,037,756.20/1,556,519.10 = 289,877.80/x
  3. Step 3: Cross multiply
    1,037,756.20x = 1,556,519.10 × 289,877.80
  4. Step 4: Simplify right side
    1,037,756.20x = 451,200,332,365.98
  5. Step 5: Solve for x
    x = 451,200,332,365.98/1,037,756.20
  6. Step 6: Final answer
    x = 434,784.52

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Double scale
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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.