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Finding the Fourth Proportional to 1,411,939.04, 1,948,490.93 and 767,359.27

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Solution

The fourth proportional to 1,411,939.04, 1,948,490.93 and 767,359.27 is: 1,058,963.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,939.04 : 1,948,490.93 = 767,359.27 : x
  2. Step 2: Convert to fraction form
    1,411,939.04/1,948,490.93 = 767,359.27/x
  3. Step 3: Cross multiply
    1,411,939.04x = 1,948,490.93 × 767,359.27
  4. Step 4: Simplify right side
    1,411,939.04x = 1,495,192,577,646.42
  5. Step 5: Solve for x
    x = 1,495,192,577,646.42/1,411,939.04
  6. Step 6: Final answer
    x = 1,058,963.97

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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.