Home / 932,485.77-1,286,783.42-550,438.74

Finding the Fourth Proportional to 932,485.77, 1,286,783.42 and 550,438.74

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Solution

The fourth proportional to 932,485.77, 1,286,783.42 and 550,438.74 is: 759,577.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,485.77 : 1,286,783.42 = 550,438.74 : x
  2. Step 2: Convert to fraction form
    932,485.77/1,286,783.42 = 550,438.74/x
  3. Step 3: Cross multiply
    932,485.77x = 1,286,783.42 × 550,438.74
  4. Step 4: Simplify right side
    932,485.77x = 708,295,441,605.50
  5. Step 5: Solve for x
    x = 708,295,441,605.50/932,485.77
  6. Step 6: Final answer
    x = 759,577.75

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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.