Home / 992,762.45-1,488,651.79-352,970.31

Finding the Fourth Proportional to 992,762.45, 1,488,651.79 and 352,970.31

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Solution

The fourth proportional to 992,762.45, 1,488,651.79 and 352,970.31 is: 529,280.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,762.45 : 1,488,651.79 = 352,970.31 : x
  2. Step 2: Convert to fraction form
    992,762.45/1,488,651.79 = 352,970.31/x
  3. Step 3: Cross multiply
    992,762.45x = 1,488,651.79 × 352,970.31
  4. Step 4: Simplify right side
    992,762.45x = 525,449,883,798.36
  5. Step 5: Solve for x
    x = 525,449,883,798.36/992,762.45
  6. Step 6: Final answer
    x = 529,280.58

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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.