Home / 836,256.64-1,153,897.38-492,382.36

Finding the Fourth Proportional to 836,256.64, 1,153,897.38 and 492,382.36

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Solution

The fourth proportional to 836,256.64, 1,153,897.38 and 492,382.36 is: 679,407.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,256.64 : 1,153,897.38 = 492,382.36 : x
  2. Step 2: Convert to fraction form
    836,256.64/1,153,897.38 = 492,382.36/x
  3. Step 3: Cross multiply
    836,256.64x = 1,153,897.38 × 492,382.36
  4. Step 4: Simplify right side
    836,256.64x = 568,158,715,162.22
  5. Step 5: Solve for x
    x = 568,158,715,162.22/836,256.64
  6. Step 6: Final answer
    x = 679,407.12

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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.