Home / 941,805.36-1,299,707.64-512,088.39

Finding the Fourth Proportional to 941,805.36, 1,299,707.64 and 512,088.39

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Solution

The fourth proportional to 941,805.36, 1,299,707.64 and 512,088.39 is: 706,690.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,805.36 : 1,299,707.64 = 512,088.39 : x
  2. Step 2: Convert to fraction form
    941,805.36/1,299,707.64 = 512,088.39/x
  3. Step 3: Cross multiply
    941,805.36x = 1,299,707.64 × 512,088.39
  4. Step 4: Simplify right side
    941,805.36x = 665,565,192,838.30
  5. Step 5: Solve for x
    x = 665,565,192,838.30/941,805.36
  6. Step 6: Final answer
    x = 706,690.81

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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.