Home / 1,369,756.40-1,889,835.37-826,058.48

Finding the Fourth Proportional to 1,369,756.40, 1,889,835.37 and 826,058.48

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Solution

The fourth proportional to 1,369,756.40, 1,889,835.37 and 826,058.48 is: 1,139,702.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,756.40 : 1,889,835.37 = 826,058.48 : x
  2. Step 2: Convert to fraction form
    1,369,756.40/1,889,835.37 = 826,058.48/x
  3. Step 3: Cross multiply
    1,369,756.40x = 1,889,835.37 × 826,058.48
  4. Step 4: Simplify right side
    1,369,756.40x = 1,561,114,521,678.11
  5. Step 5: Solve for x
    x = 1,561,114,521,678.11/1,369,756.40
  6. Step 6: Final answer
    x = 1,139,702.31

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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.