Home / 1,234,653.86-1,703,888.31-690,757.08

Finding the Fourth Proportional to 1,234,653.86, 1,703,888.31 and 690,757.08

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Solution

The fourth proportional to 1,234,653.86, 1,703,888.31 and 690,757.08 is: 953,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,653.86 : 1,703,888.31 = 690,757.08 : x
  2. Step 2: Convert to fraction form
    1,234,653.86/1,703,888.31 = 690,757.08/x
  3. Step 3: Cross multiply
    1,234,653.86x = 1,703,888.31 × 690,757.08
  4. Step 4: Simplify right side
    1,234,653.86x = 1,176,972,913,661.73
  5. Step 5: Solve for x
    x = 1,176,972,913,661.73/1,234,653.86
  6. Step 6: Final answer
    x = 953,281.69

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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.