Home / 1,127,123.80-1,555,490.47-617,847.64

Finding the Fourth Proportional to 1,127,123.80, 1,555,490.47 and 617,847.64

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Solution

The fourth proportional to 1,127,123.80, 1,555,490.47 and 617,847.64 is: 852,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,123.80 : 1,555,490.47 = 617,847.64 : x
  2. Step 2: Convert to fraction form
    1,127,123.80/1,555,490.47 = 617,847.64/x
  3. Step 3: Cross multiply
    1,127,123.80x = 1,555,490.47 × 617,847.64
  4. Step 4: Simplify right side
    1,127,123.80x = 961,056,115,931.99
  5. Step 5: Solve for x
    x = 961,056,115,931.99/1,127,123.80
  6. Step 6: Final answer
    x = 852,662.43

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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.