Home / 589,313.20-883,386.60-289,548.40

Finding the Fourth Proportional to 589,313.20, 883,386.60 and 289,548.40

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Solution

The fourth proportional to 589,313.20, 883,386.60 and 289,548.40 is: 434,036.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,313.20 : 883,386.60 = 289,548.40 : x
  2. Step 2: Convert to fraction form
    589,313.20/883,386.60 = 289,548.40/x
  3. Step 3: Cross multiply
    589,313.20x = 883,386.60 × 289,548.40
  4. Step 4: Simplify right side
    589,313.20x = 255,783,176,611.44
  5. Step 5: Solve for x
    x = 255,783,176,611.44/589,313.20
  6. Step 6: Final answer
    x = 434,036.06

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Similar ratio
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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.