Home / 1,600,978.38-2,209,367.60-875,810.52

Finding the Fourth Proportional to 1,600,978.38, 2,209,367.60 and 875,810.52

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Solution

The fourth proportional to 1,600,978.38, 2,209,367.60 and 875,810.52 is: 1,208,628.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,978.38 : 2,209,367.60 = 875,810.52 : x
  2. Step 2: Convert to fraction form
    1,600,978.38/2,209,367.60 = 875,810.52/x
  3. Step 3: Cross multiply
    1,600,978.38x = 2,209,367.60 × 875,810.52
  4. Step 4: Simplify right side
    1,600,978.38x = 1,934,987,386,627.15
  5. Step 5: Solve for x
    x = 1,934,987,386,627.15/1,600,978.38
  6. Step 6: Final answer
    x = 1,208,628.06

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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.