Home / 928,235.62-1,280,942.02-514,770

Finding the Fourth Proportional to 928,235.62, 1,280,942.02 and 514,770

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Solution

The fourth proportional to 928,235.62, 1,280,942.02 and 514,770 is: 710,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,235.62 : 1,280,942.02 = 514,770 : x
  2. Step 2: Convert to fraction form
    928,235.62/1,280,942.02 = 514,770/x
  3. Step 3: Cross multiply
    928,235.62x = 1,280,942.02 × 514,770
  4. Step 4: Simplify right side
    928,235.62x = 659,390,523,635.40
  5. Step 5: Solve for x
    x = 659,390,523,635.40/928,235.62
  6. Step 6: Final answer
    x = 710,369.77

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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.