Home / 1,971,258.81-2,720,321.31-1,144,409.07

Finding the Fourth Proportional to 1,971,258.81, 2,720,321.31 and 1,144,409.07

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Solution

The fourth proportional to 1,971,258.81, 2,720,321.31 and 1,144,409.07 is: 1,579,275.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,258.81 : 2,720,321.31 = 1,144,409.07 : x
  2. Step 2: Convert to fraction form
    1,971,258.81/2,720,321.31 = 1,144,409.07/x
  3. Step 3: Cross multiply
    1,971,258.81x = 2,720,321.31 × 1,144,409.07
  4. Step 4: Simplify right side
    1,971,258.81x = 3,113,160,380,478.28
  5. Step 5: Solve for x
    x = 3,113,160,380,478.28/1,971,258.81
  6. Step 6: Final answer
    x = 1,579,275.32

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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.