Home / 1,171,174.50-1,616,220.81-634,630.50

Finding the Fourth Proportional to 1,171,174.50, 1,616,220.81 and 634,630.50

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Solution

The fourth proportional to 1,171,174.50, 1,616,220.81 and 634,630.50 is: 875,790.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,174.50 : 1,616,220.81 = 634,630.50 : x
  2. Step 2: Convert to fraction form
    1,171,174.50/1,616,220.81 = 634,630.50/x
  3. Step 3: Cross multiply
    1,171,174.50x = 1,616,220.81 × 634,630.50
  4. Step 4: Simplify right side
    1,171,174.50x = 1,025,703,020,760.71
  5. Step 5: Solve for x
    x = 1,025,703,020,760.71/1,171,174.50
  6. Step 6: Final answer
    x = 875,790.09

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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.