Home / 941,021.92-1,298,607.60-511,303.60

Finding the Fourth Proportional to 941,021.92, 1,298,607.60 and 511,303.60

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Solution

The fourth proportional to 941,021.92, 1,298,607.60 and 511,303.60 is: 705,597.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,021.92 : 1,298,607.60 = 511,303.60 : x
  2. Step 2: Convert to fraction form
    941,021.92/1,298,607.60 = 511,303.60/x
  3. Step 3: Cross multiply
    941,021.92x = 1,298,607.60 × 511,303.60
  4. Step 4: Simplify right side
    941,021.92x = 663,982,740,867.36
  5. Step 5: Solve for x
    x = 663,982,740,867.36/941,021.92
  6. Step 6: Final answer
    x = 705,597.53

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Double scale
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Similar ratio
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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.