Home / 783,934.10-1,176,289.95-447,233.30

Finding the Fourth Proportional to 783,934.10, 1,176,289.95 and 447,233.30

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Solution

The fourth proportional to 783,934.10, 1,176,289.95 and 447,233.30 is: 671,071.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,934.10 : 1,176,289.95 = 447,233.30 : x
  2. Step 2: Convert to fraction form
    783,934.10/1,176,289.95 = 447,233.30/x
  3. Step 3: Cross multiply
    783,934.10x = 1,176,289.95 × 447,233.30
  4. Step 4: Simplify right side
    783,934.10x = 526,076,036,095.34
  5. Step 5: Solve for x
    x = 526,076,036,095.34/783,934.10
  6. Step 6: Final answer
    x = 671,071.76

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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.