Home / 589,246.60-883,869.90-215,415.40

Finding the Fourth Proportional to 589,246.60, 883,869.90 and 215,415.40

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Solution

The fourth proportional to 589,246.60, 883,869.90 and 215,415.40 is: 323,123.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,246.60 : 883,869.90 = 215,415.40 : x
  2. Step 2: Convert to fraction form
    589,246.60/883,869.90 = 215,415.40/x
  3. Step 3: Cross multiply
    589,246.60x = 883,869.90 × 215,415.40
  4. Step 4: Simplify right side
    589,246.60x = 190,399,188,056.46
  5. Step 5: Solve for x
    x = 190,399,188,056.46/589,246.60
  6. Step 6: Final answer
    x = 323,123.10

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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.