Home / 926,181.90-1,389,272.85-870,194.70

Finding the Fourth Proportional to 926,181.90, 1,389,272.85 and 870,194.70

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Solution

The fourth proportional to 926,181.90, 1,389,272.85 and 870,194.70 is: 1,305,292.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,181.90 : 1,389,272.85 = 870,194.70 : x
  2. Step 2: Convert to fraction form
    926,181.90/1,389,272.85 = 870,194.70/x
  3. Step 3: Cross multiply
    926,181.90x = 1,389,272.85 × 870,194.70
  4. Step 4: Simplify right side
    926,181.90x = 1,208,937,870,923.90
  5. Step 5: Solve for x
    x = 1,208,937,870,923.90/926,181.90
  6. Step 6: Final answer
    x = 1,305,292.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.