Home / 963,928.80-1,330,221.73-534,236.60

Finding the Fourth Proportional to 963,928.80, 1,330,221.73 and 534,236.60

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Solution

The fourth proportional to 963,928.80, 1,330,221.73 and 534,236.60 is: 737,246.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,928.80 : 1,330,221.73 = 534,236.60 : x
  2. Step 2: Convert to fraction form
    963,928.80/1,330,221.73 = 534,236.60/x
  3. Step 3: Cross multiply
    963,928.80x = 1,330,221.73 × 534,236.60
  4. Step 4: Simplify right side
    963,928.80x = 710,653,134,281.32
  5. Step 5: Solve for x
    x = 710,653,134,281.32/963,928.80
  6. Step 6: Final answer
    x = 737,246.50

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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.