Home / 1,005,211.89-1,387,203.03-546,326.51

Finding the Fourth Proportional to 1,005,211.89, 1,387,203.03 and 546,326.51

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Solution

The fourth proportional to 1,005,211.89, 1,387,203.03 and 546,326.51 is: 753,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,211.89 : 1,387,203.03 = 546,326.51 : x
  2. Step 2: Convert to fraction form
    1,005,211.89/1,387,203.03 = 546,326.51/x
  3. Step 3: Cross multiply
    1,005,211.89x = 1,387,203.03 × 546,326.51
  4. Step 4: Simplify right side
    1,005,211.89x = 757,865,783,105.31
  5. Step 5: Solve for x
    x = 757,865,783,105.31/1,005,211.89
  6. Step 6: Final answer
    x = 753,936.35

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1.5x scale

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.