Home / 1,169,856.26-1,754,784.40-421,902.26

Finding the Fourth Proportional to 1,169,856.26, 1,754,784.40 and 421,902.26

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Solution

The fourth proportional to 1,169,856.26, 1,754,784.40 and 421,902.26 is: 632,853.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,856.26 : 1,754,784.40 = 421,902.26 : x
  2. Step 2: Convert to fraction form
    1,169,856.26/1,754,784.40 = 421,902.26/x
  3. Step 3: Cross multiply
    1,169,856.26x = 1,754,784.40 × 421,902.26
  4. Step 4: Simplify right side
    1,169,856.26x = 740,347,504,172.74
  5. Step 5: Solve for x
    x = 740,347,504,172.74/1,169,856.26
  6. Step 6: Final answer
    x = 632,853.39

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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.