Home / 896,033.61-1,236,528.65-488,138.42

Finding the Fourth Proportional to 896,033.61, 1,236,528.65 and 488,138.42

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Solution

The fourth proportional to 896,033.61, 1,236,528.65 and 488,138.42 is: 673,632.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,033.61 : 1,236,528.65 = 488,138.42 : x
  2. Step 2: Convert to fraction form
    896,033.61/1,236,528.65 = 488,138.42/x
  3. Step 3: Cross multiply
    896,033.61x = 1,236,528.65 × 488,138.42
  4. Step 4: Simplify right side
    896,033.61x = 603,597,142,146.36
  5. Step 5: Solve for x
    x = 603,597,142,146.36/896,033.61
  6. Step 6: Final answer
    x = 673,632.26

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Double scale
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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.