Home / 847,091.64-1,169,005.32-465,120

Finding the Fourth Proportional to 847,091.64, 1,169,005.32 and 465,120

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Solution

The fourth proportional to 847,091.64, 1,169,005.32 and 465,120 is: 641,875.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,091.64 : 1,169,005.32 = 465,120 : x
  2. Step 2: Convert to fraction form
    847,091.64/1,169,005.32 = 465,120/x
  3. Step 3: Cross multiply
    847,091.64x = 1,169,005.32 × 465,120
  4. Step 4: Simplify right side
    847,091.64x = 543,727,754,438.40
  5. Step 5: Solve for x
    x = 543,727,754,438.40/847,091.64
  6. Step 6: Final answer
    x = 641,875.95

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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.