Home / 460,741.51-690,215.58-260,456.05

Finding the Fourth Proportional to 460,741.51, 690,215.58 and 260,456.05

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Solution

The fourth proportional to 460,741.51, 690,215.58 and 260,456.05 is: 390,177.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,741.51 : 690,215.58 = 260,456.05 : x
  2. Step 2: Convert to fraction form
    460,741.51/690,215.58 = 260,456.05/x
  3. Step 3: Cross multiply
    460,741.51x = 690,215.58 × 260,456.05
  4. Step 4: Simplify right side
    460,741.51x = 179,770,823,615.26
  5. Step 5: Solve for x
    x = 179,770,823,615.26/460,741.51
  6. Step 6: Final answer
    x = 390,177.18

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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.