Home / 1,169,037.69-1,613,148.85-678,911.55

Finding the Fourth Proportional to 1,169,037.69, 1,613,148.85 and 678,911.55

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Solution

The fourth proportional to 1,169,037.69, 1,613,148.85 and 678,911.55 is: 936,826.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,037.69 : 1,613,148.85 = 678,911.55 : x
  2. Step 2: Convert to fraction form
    1,169,037.69/1,613,148.85 = 678,911.55/x
  3. Step 3: Cross multiply
    1,169,037.69x = 1,613,148.85 × 678,911.55
  4. Step 4: Simplify right side
    1,169,037.69x = 1,095,185,386,134.22
  5. Step 5: Solve for x
    x = 1,095,185,386,134.22/1,169,037.69
  6. Step 6: Final answer
    x = 936,826.41

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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.