Home / 1,618,323.60-2,425,455.57-858,289.16

Finding the Fourth Proportional to 1,618,323.60, 2,425,455.57 and 858,289.16

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Solution

The fourth proportional to 1,618,323.60, 2,425,455.57 and 858,289.16 is: 1,286,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,323.60 : 2,425,455.57 = 858,289.16 : x
  2. Step 2: Convert to fraction form
    1,618,323.60/2,425,455.57 = 858,289.16/x
  3. Step 3: Cross multiply
    1,618,323.60x = 2,425,455.57 × 858,289.16
  4. Step 4: Simplify right side
    1,618,323.60x = 2,081,742,211,665.34
  5. Step 5: Solve for x
    x = 2,081,742,211,665.34/1,618,323.60
  6. Step 6: Final answer
    x = 1,286,357.20

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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.