Home / 877,136.46-1,210,380.75-495,200.94

Finding the Fourth Proportional to 877,136.46, 1,210,380.75 and 495,200.94

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Solution

The fourth proportional to 877,136.46, 1,210,380.75 and 495,200.94 is: 683,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,136.46 : 1,210,380.75 = 495,200.94 : x
  2. Step 2: Convert to fraction form
    877,136.46/1,210,380.75 = 495,200.94/x
  3. Step 3: Cross multiply
    877,136.46x = 1,210,380.75 × 495,200.94
  4. Step 4: Simplify right side
    877,136.46x = 599,381,685,157.91
  5. Step 5: Solve for x
    x = 599,381,685,157.91/877,136.46
  6. Step 6: Final answer
    x = 683,339.15

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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.