Home / 1,048,377.65-1,570,261.40-866,400.62

Finding the Fourth Proportional to 1,048,377.65, 1,570,261.40 and 866,400.62

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Solution

The fourth proportional to 1,048,377.65, 1,570,261.40 and 866,400.62 is: 1,297,695.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,377.65 : 1,570,261.40 = 866,400.62 : x
  2. Step 2: Convert to fraction form
    1,048,377.65/1,570,261.40 = 866,400.62/x
  3. Step 3: Cross multiply
    1,048,377.65x = 1,570,261.40 × 866,400.62
  4. Step 4: Simplify right side
    1,048,377.65x = 1,360,475,450,522.07
  5. Step 5: Solve for x
    x = 1,360,475,450,522.07/1,048,377.65
  6. Step 6: Final answer
    x = 1,297,695.97

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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.