Home / 877,521.60-1,210,917.60-495,525.60

Finding the Fourth Proportional to 877,521.60, 1,210,917.60 and 495,525.60

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Solution

The fourth proportional to 877,521.60, 1,210,917.60 and 495,525.60 is: 683,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,521.60 : 1,210,917.60 = 495,525.60 : x
  2. Step 2: Convert to fraction form
    877,521.60/1,210,917.60 = 495,525.60/x
  3. Step 3: Cross multiply
    877,521.60x = 1,210,917.60 × 495,525.60
  4. Step 4: Simplify right side
    877,521.60x = 600,040,670,290.56
  5. Step 5: Solve for x
    x = 600,040,670,290.56/877,521.60
  6. Step 6: Final answer
    x = 683,790.20

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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.