Home / 1,258,964.65-1,737,316.89-715,098.75

Finding the Fourth Proportional to 1,258,964.65, 1,737,316.89 and 715,098.75

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Solution

The fourth proportional to 1,258,964.65, 1,737,316.89 and 715,098.75 is: 986,805.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,964.65 : 1,737,316.89 = 715,098.75 : x
  2. Step 2: Convert to fraction form
    1,258,964.65/1,737,316.89 = 715,098.75/x
  3. Step 3: Cross multiply
    1,258,964.65x = 1,737,316.89 × 715,098.75
  4. Step 4: Simplify right side
    1,258,964.65x = 1,242,353,136,392.89
  5. Step 5: Solve for x
    x = 1,242,353,136,392.89/1,258,964.65
  6. Step 6: Final answer
    x = 986,805.42

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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.