Home / 786,133.09-1,084,742.17-441,905.23

Finding the Fourth Proportional to 786,133.09, 1,084,742.17 and 441,905.23

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Solution

The fourth proportional to 786,133.09, 1,084,742.17 and 441,905.23 is: 609,760.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,133.09 : 1,084,742.17 = 441,905.23 : x
  2. Step 2: Convert to fraction form
    786,133.09/1,084,742.17 = 441,905.23/x
  3. Step 3: Cross multiply
    786,133.09x = 1,084,742.17 × 441,905.23
  4. Step 4: Simplify right side
    786,133.09x = 479,353,238,124.55
  5. Step 5: Solve for x
    x = 479,353,238,124.55/786,133.09
  6. Step 6: Final answer
    x = 609,760.92

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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.