Home / 899,278.66-1,241,051.79-517,362.85

Finding the Fourth Proportional to 899,278.66, 1,241,051.79 and 517,362.85

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Solution

The fourth proportional to 899,278.66, 1,241,051.79 and 517,362.85 is: 713,987.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,278.66 : 1,241,051.79 = 517,362.85 : x
  2. Step 2: Convert to fraction form
    899,278.66/1,241,051.79 = 517,362.85/x
  3. Step 3: Cross multiply
    899,278.66x = 1,241,051.79 × 517,362.85
  4. Step 4: Simplify right side
    899,278.66x = 642,074,091,072.00
  5. Step 5: Solve for x
    x = 642,074,091,072.00/899,278.66
  6. Step 6: Final answer
    x = 713,987.91

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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.