Home / 1,234,133.80-1,703,078.02-668,885.80

Finding the Fourth Proportional to 1,234,133.80, 1,703,078.02 and 668,885.80

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Solution

The fourth proportional to 1,234,133.80, 1,703,078.02 and 668,885.80 is: 923,047.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,133.80 : 1,703,078.02 = 668,885.80 : x
  2. Step 2: Convert to fraction form
    1,234,133.80/1,703,078.02 = 668,885.80/x
  3. Step 3: Cross multiply
    1,234,133.80x = 1,703,078.02 × 668,885.80
  4. Step 4: Simplify right side
    1,234,133.80x = 1,139,164,703,870.12
  5. Step 5: Solve for x
    x = 1,139,164,703,870.12/1,234,133.80
  6. Step 6: Final answer
    x = 923,047.97

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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.