Home / 918,051.45-1,266,541.07-554,844.74

Finding the Fourth Proportional to 918,051.45, 1,266,541.07 and 554,844.74

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Solution

The fourth proportional to 918,051.45, 1,266,541.07 and 554,844.74 is: 765,462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,051.45 : 1,266,541.07 = 554,844.74 : x
  2. Step 2: Convert to fraction form
    918,051.45/1,266,541.07 = 554,844.74/x
  3. Step 3: Cross multiply
    918,051.45x = 1,266,541.07 × 554,844.74
  4. Step 4: Simplify right side
    918,051.45x = 702,733,641,576.54
  5. Step 5: Solve for x
    x = 702,733,641,576.54/918,051.45
  6. Step 6: Final answer
    x = 765,462.16

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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.