Home / 460,292.10-690,477.12-140,515.62

Finding the Fourth Proportional to 460,292.10, 690,477.12 and 140,515.62

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Solution

The fourth proportional to 460,292.10, 690,477.12 and 140,515.62 is: 210,785.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,292.10 : 690,477.12 = 140,515.62 : x
  2. Step 2: Convert to fraction form
    460,292.10/690,477.12 = 140,515.62/x
  3. Step 3: Cross multiply
    460,292.10x = 690,477.12 × 140,515.62
  4. Step 4: Simplify right side
    460,292.10x = 97,022,820,612.61
  5. Step 5: Solve for x
    x = 97,022,820,612.61/460,292.10
  6. Step 6: Final answer
    x = 210,785.33

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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.