Home / 1,149,380.92-1,586,032.14-640,130.68

Finding the Fourth Proportional to 1,149,380.92, 1,586,032.14 and 640,130.68

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Solution

The fourth proportional to 1,149,380.92, 1,586,032.14 and 640,130.68 is: 883,317.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,380.92 : 1,586,032.14 = 640,130.68 : x
  2. Step 2: Convert to fraction form
    1,149,380.92/1,586,032.14 = 640,130.68/x
  3. Step 3: Cross multiply
    1,149,380.92x = 1,586,032.14 × 640,130.68
  4. Step 4: Simplify right side
    1,149,380.92x = 1,015,267,832,280.06
  5. Step 5: Solve for x
    x = 1,015,267,832,280.06/1,149,380.92
  6. Step 6: Final answer
    x = 883,317.11

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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.