Home / 935,784.81-1,404,300.15-509,428.26

Finding the Fourth Proportional to 935,784.81, 1,404,300.15 and 509,428.26

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Solution

The fourth proportional to 935,784.81, 1,404,300.15 and 509,428.26 is: 764,481.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,784.81 : 1,404,300.15 = 509,428.26 : x
  2. Step 2: Convert to fraction form
    935,784.81/1,404,300.15 = 509,428.26/x
  3. Step 3: Cross multiply
    935,784.81x = 1,404,300.15 × 509,428.26
  4. Step 4: Simplify right side
    935,784.81x = 715,390,181,932.24
  5. Step 5: Solve for x
    x = 715,390,181,932.24/935,784.81
  6. Step 6: Final answer
    x = 764,481.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.