Home / 1,637,132.56-2,259,311.07-911,980.24

Finding the Fourth Proportional to 1,637,132.56, 2,259,311.07 and 911,980.24

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Solution

The fourth proportional to 1,637,132.56, 2,259,311.07 and 911,980.24 is: 1,258,570.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,132.56 : 2,259,311.07 = 911,980.24 : x
  2. Step 2: Convert to fraction form
    1,637,132.56/2,259,311.07 = 911,980.24/x
  3. Step 3: Cross multiply
    1,637,132.56x = 2,259,311.07 × 911,980.24
  4. Step 4: Simplify right side
    1,637,132.56x = 2,060,447,051,853.26
  5. Step 5: Solve for x
    x = 2,060,447,051,853.26/1,637,132.56
  6. Step 6: Final answer
    x = 1,258,570.69

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.