Home / 1,038,675.23-1,558,214.83-398,932.16

Finding the Fourth Proportional to 1,038,675.23, 1,558,214.83 and 398,932.16

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Solution

The fourth proportional to 1,038,675.23, 1,558,214.83 and 398,932.16 is: 598,475.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,675.23 : 1,558,214.83 = 398,932.16 : x
  2. Step 2: Convert to fraction form
    1,038,675.23/1,558,214.83 = 398,932.16/x
  3. Step 3: Cross multiply
    1,038,675.23x = 1,558,214.83 × 398,932.16
  4. Step 4: Simplify right side
    1,038,675.23x = 621,622,007,875.93
  5. Step 5: Solve for x
    x = 621,622,007,875.93/1,038,675.23
  6. Step 6: Final answer
    x = 598,475.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.