Home / 783,957.60-1,176,325.20-447,256.80

Finding the Fourth Proportional to 783,957.60, 1,176,325.20 and 447,256.80

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Solution

The fourth proportional to 783,957.60, 1,176,325.20 and 447,256.80 is: 671,107.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,957.60 : 1,176,325.20 = 447,256.80 : x
  2. Step 2: Convert to fraction form
    783,957.60/1,176,325.20 = 447,256.80/x
  3. Step 3: Cross multiply
    783,957.60x = 1,176,325.20 × 447,256.80
  4. Step 4: Simplify right side
    783,957.60x = 526,119,444,711.36
  5. Step 5: Solve for x
    x = 526,119,444,711.36/783,957.60
  6. Step 6: Final answer
    x = 671,107.01

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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.