Home / 1,142,581.87-1,576,740.43-626,336.87

Finding the Fourth Proportional to 1,142,581.87, 1,576,740.43 and 626,336.87

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Solution

The fourth proportional to 1,142,581.87, 1,576,740.43 and 626,336.87 is: 864,332.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,581.87 : 1,576,740.43 = 626,336.87 : x
  2. Step 2: Convert to fraction form
    1,142,581.87/1,576,740.43 = 626,336.87/x
  3. Step 3: Cross multiply
    1,142,581.87x = 1,576,740.43 × 626,336.87
  4. Step 4: Simplify right side
    1,142,581.87x = 987,570,665,728.65
  5. Step 5: Solve for x
    x = 987,570,665,728.65/1,142,581.87
  6. Step 6: Final answer
    x = 864,332.52

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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.