Home / 1,411,348.65-1,947,623.21-830,605.94

Finding the Fourth Proportional to 1,411,348.65, 1,947,623.21 and 830,605.94

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Solution

The fourth proportional to 1,411,348.65, 1,947,623.21 and 830,605.94 is: 1,146,213.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,348.65 : 1,947,623.21 = 830,605.94 : x
  2. Step 2: Convert to fraction form
    1,411,348.65/1,947,623.21 = 830,605.94/x
  3. Step 3: Cross multiply
    1,411,348.65x = 1,947,623.21 × 830,605.94
  4. Step 4: Simplify right side
    1,411,348.65x = 1,617,707,393,216.72
  5. Step 5: Solve for x
    x = 1,617,707,393,216.72/1,411,348.65
  6. Step 6: Final answer
    x = 1,146,213.87

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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.