Home / 1,007,051.40-1,389,767.59-548,143.74

Finding the Fourth Proportional to 1,007,051.40, 1,389,767.59 and 548,143.74

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Solution

The fourth proportional to 1,007,051.40, 1,389,767.59 and 548,143.74 is: 756,458.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,051.40 : 1,389,767.59 = 548,143.74 : x
  2. Step 2: Convert to fraction form
    1,007,051.40/1,389,767.59 = 548,143.74/x
  3. Step 3: Cross multiply
    1,007,051.40x = 1,389,767.59 × 548,143.74
  4. Step 4: Simplify right side
    1,007,051.40x = 761,792,404,513.39
  5. Step 5: Solve for x
    x = 761,792,404,513.39/1,007,051.40
  6. Step 6: Final answer
    x = 756,458.31

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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.