Home / 1,012,369.12-1,397,346.61-630,169

Finding the Fourth Proportional to 1,012,369.12, 1,397,346.61 and 630,169

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Solution

The fourth proportional to 1,012,369.12, 1,397,346.61 and 630,169 is: 869,805.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,369.12 : 1,397,346.61 = 630,169 : x
  2. Step 2: Convert to fraction form
    1,012,369.12/1,397,346.61 = 630,169/x
  3. Step 3: Cross multiply
    1,012,369.12x = 1,397,346.61 × 630,169
  4. Step 4: Simplify right side
    1,012,369.12x = 880,564,515,877.09
  5. Step 5: Solve for x
    x = 880,564,515,877.09/1,012,369.12
  6. Step 6: Final answer
    x = 869,805.78

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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.