Home / 460,224.48-690,376.61-140,448.34

Finding the Fourth Proportional to 460,224.48, 690,376.61 and 140,448.34

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Solution

The fourth proportional to 460,224.48, 690,376.61 and 140,448.34 is: 210,684.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,224.48 : 690,376.61 = 140,448.34 : x
  2. Step 2: Convert to fraction form
    460,224.48/690,376.61 = 140,448.34/x
  3. Step 3: Cross multiply
    460,224.48x = 690,376.61 × 140,448.34
  4. Step 4: Simplify right side
    460,224.48x = 96,962,250,935.51
  5. Step 5: Solve for x
    x = 96,962,250,935.51/460,224.48
  6. Step 6: Final answer
    x = 210,684.69

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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.