Home / 877,303.46-1,210,611.21-495,367.94

Finding the Fourth Proportional to 877,303.46, 1,210,611.21 and 495,367.94

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Solution

The fourth proportional to 877,303.46, 1,210,611.21 and 495,367.94 is: 683,569.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,303.46 : 1,210,611.21 = 495,367.94 : x
  2. Step 2: Convert to fraction form
    877,303.46/1,210,611.21 = 495,367.94/x
  3. Step 3: Cross multiply
    877,303.46x = 1,210,611.21 × 495,367.94
  4. Step 4: Simplify right side
    877,303.46x = 599,697,981,238.61
  5. Step 5: Solve for x
    x = 599,697,981,238.61/877,303.46
  6. Step 6: Final answer
    x = 683,569.61

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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.