Home / 935,762.85-1,404,266.96-509,406.12

Finding the Fourth Proportional to 935,762.85, 1,404,266.96 and 509,406.12

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Solution

The fourth proportional to 935,762.85, 1,404,266.96 and 509,406.12 is: 764,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,762.85 : 1,404,266.96 = 509,406.12 : x
  2. Step 2: Convert to fraction form
    935,762.85/1,404,266.96 = 509,406.12/x
  3. Step 3: Cross multiply
    935,762.85x = 1,404,266.96 × 509,406.12
  4. Step 4: Simplify right side
    935,762.85x = 715,342,184,811.31
  5. Step 5: Solve for x
    x = 715,342,184,811.31/935,762.85
  6. Step 6: Final answer
    x = 764,448.16

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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.