Home / 889,993.81-1,228,197.35-482,095.65

Finding the Fourth Proportional to 889,993.81, 1,228,197.35 and 482,095.65

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Solution

The fourth proportional to 889,993.81, 1,228,197.35 and 482,095.65 is: 665,295.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,993.81 : 1,228,197.35 = 482,095.65 : x
  2. Step 2: Convert to fraction form
    889,993.81/1,228,197.35 = 482,095.65/x
  3. Step 3: Cross multiply
    889,993.81x = 1,228,197.35 × 482,095.65
  4. Step 4: Simplify right side
    889,993.81x = 592,108,594,840.78
  5. Step 5: Solve for x
    x = 592,108,594,840.78/889,993.81
  6. Step 6: Final answer
    x = 665,295.18

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Double scale
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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.