Home / 1,142,288.76-1,576,367.82-632,999.64

Finding the Fourth Proportional to 1,142,288.76, 1,576,367.82 and 632,999.64

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Solution

The fourth proportional to 1,142,288.76, 1,576,367.82 and 632,999.64 is: 873,544.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,288.76 : 1,576,367.82 = 632,999.64 : x
  2. Step 2: Convert to fraction form
    1,142,288.76/1,576,367.82 = 632,999.64/x
  3. Step 3: Cross multiply
    1,142,288.76x = 1,576,367.82 × 632,999.64
  4. Step 4: Simplify right side
    1,142,288.76x = 997,840,262,567.59
  5. Step 5: Solve for x
    x = 997,840,262,567.59/1,142,288.76
  6. Step 6: Final answer
    x = 873,544.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.