Home / 711,005.04-1,066,508.64-284,732.82

Finding the Fourth Proportional to 711,005.04, 1,066,508.64 and 284,732.82

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Solution

The fourth proportional to 711,005.04, 1,066,508.64 and 284,732.82 is: 427,099.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,005.04 : 1,066,508.64 = 284,732.82 : x
  2. Step 2: Convert to fraction form
    711,005.04/1,066,508.64 = 284,732.82/x
  3. Step 3: Cross multiply
    711,005.04x = 1,066,508.64 × 284,732.82
  4. Step 4: Simplify right side
    711,005.04x = 303,670,012,621.57
  5. Step 5: Solve for x
    x = 303,670,012,621.57/711,005.04
  6. Step 6: Final answer
    x = 427,099.66

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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.