Home / 1,637,123.66-2,259,298.74-911,971.23

Finding the Fourth Proportional to 1,637,123.66, 2,259,298.74 and 911,971.23

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Solution

The fourth proportional to 1,637,123.66, 2,259,298.74 and 911,971.23 is: 1,258,558.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,123.66 : 2,259,298.74 = 911,971.23 : x
  2. Step 2: Convert to fraction form
    1,637,123.66/2,259,298.74 = 911,971.23/x
  3. Step 3: Cross multiply
    1,637,123.66x = 2,259,298.74 × 911,971.23
  4. Step 4: Simplify right side
    1,637,123.66x = 2,060,415,450,855.25
  5. Step 5: Solve for x
    x = 2,060,415,450,855.25/1,637,123.66
  6. Step 6: Final answer
    x = 1,258,558.23

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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.