Home / 1,184,216.31-1,634,217.26-640,350.72

Finding the Fourth Proportional to 1,184,216.31, 1,634,217.26 and 640,350.72

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Solution

The fourth proportional to 1,184,216.31, 1,634,217.26 and 640,350.72 is: 883,683.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,216.31 : 1,634,217.26 = 640,350.72 : x
  2. Step 2: Convert to fraction form
    1,184,216.31/1,634,217.26 = 640,350.72/x
  3. Step 3: Cross multiply
    1,184,216.31x = 1,634,217.26 × 640,350.72
  4. Step 4: Simplify right side
    1,184,216.31x = 1,046,472,195,875.67
  5. Step 5: Solve for x
    x = 1,046,472,195,875.67/1,184,216.31
  6. Step 6: Final answer
    x = 883,683.32

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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.