Home / 589,112.60-883,668.90-289,639.40

Finding the Fourth Proportional to 589,112.60, 883,668.90 and 289,639.40

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Solution

The fourth proportional to 589,112.60, 883,668.90 and 289,639.40 is: 434,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,112.60 : 883,668.90 = 289,639.40 : x
  2. Step 2: Convert to fraction form
    589,112.60/883,668.90 = 289,639.40/x
  3. Step 3: Cross multiply
    589,112.60x = 883,668.90 × 289,639.40
  4. Step 4: Simplify right side
    589,112.60x = 255,945,329,994.66
  5. Step 5: Solve for x
    x = 255,945,329,994.66/589,112.60
  6. Step 6: Final answer
    x = 434,459.10

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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.