Home / 1,698,171.60-2,343,391.72-934,205.52

Finding the Fourth Proportional to 1,698,171.60, 2,343,391.72 and 934,205.52

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Solution

The fourth proportional to 1,698,171.60, 2,343,391.72 and 934,205.52 is: 1,289,156.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698,171.60 : 2,343,391.72 = 934,205.52 : x
  2. Step 2: Convert to fraction form
    1,698,171.60/2,343,391.72 = 934,205.52/x
  3. Step 3: Cross multiply
    1,698,171.60x = 2,343,391.72 × 934,205.52
  4. Step 4: Simplify right side
    1,698,171.60x = 2,189,209,480,346.29
  5. Step 5: Solve for x
    x = 2,189,209,480,346.29/1,698,171.60
  6. Step 6: Final answer
    x = 1,289,156.81

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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.