Home / 941,256.07-1,298,943.39-511,536.19

Finding the Fourth Proportional to 941,256.07, 1,298,943.39 and 511,536.19

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Solution

The fourth proportional to 941,256.07, 1,298,943.39 and 511,536.19 is: 705,925.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,256.07 : 1,298,943.39 = 511,536.19 : x
  2. Step 2: Convert to fraction form
    941,256.07/1,298,943.39 = 511,536.19/x
  3. Step 3: Cross multiply
    941,256.07x = 1,298,943.39 × 511,536.19
  4. Step 4: Simplify right side
    941,256.07x = 664,456,552,746.28
  5. Step 5: Solve for x
    x = 664,456,552,746.28/941,256.07
  6. Step 6: Final answer
    x = 705,925.38

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Double scale
Find fourth proportional to 941,257.07, 1,298,944.77 and 511,537.19
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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.