Home / 589,040.60-883,560.90-289,567.40

Finding the Fourth Proportional to 589,040.60, 883,560.90 and 289,567.40

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Solution

The fourth proportional to 589,040.60, 883,560.90 and 289,567.40 is: 434,351.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,040.60 : 883,560.90 = 289,567.40 : x
  2. Step 2: Convert to fraction form
    589,040.60/883,560.90 = 289,567.40/x
  3. Step 3: Cross multiply
    589,040.60x = 883,560.90 × 289,567.40
  4. Step 4: Simplify right side
    589,040.60x = 255,850,432,554.66
  5. Step 5: Solve for x
    x = 255,850,432,554.66/589,040.60
  6. Step 6: Final answer
    x = 434,351.10

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Double scale
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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.