Home / 1,148,923.62-1,585,483.62-639,626.04

Finding the Fourth Proportional to 1,148,923.62, 1,585,483.62 and 639,626.04

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Solution

The fourth proportional to 1,148,923.62, 1,585,483.62 and 639,626.04 is: 882,666.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,923.62 : 1,585,483.62 = 639,626.04 : x
  2. Step 2: Convert to fraction form
    1,148,923.62/1,585,483.62 = 639,626.04/x
  3. Step 3: Cross multiply
    1,148,923.62x = 1,585,483.62 × 639,626.04
  4. Step 4: Simplify right side
    1,148,923.62x = 1,014,116,609,345.47
  5. Step 5: Solve for x
    x = 1,014,116,609,345.47/1,148,923.62
  6. Step 6: Final answer
    x = 882,666.69

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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.