Home / 1,403,830.64-1,937,302.62-792,012.53

Finding the Fourth Proportional to 1,403,830.64, 1,937,302.62 and 792,012.53

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Solution

The fourth proportional to 1,403,830.64, 1,937,302.62 and 792,012.53 is: 1,092,986.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,830.64 : 1,937,302.62 = 792,012.53 : x
  2. Step 2: Convert to fraction form
    1,403,830.64/1,937,302.62 = 792,012.53/x
  3. Step 3: Cross multiply
    1,403,830.64x = 1,937,302.62 × 792,012.53
  4. Step 4: Simplify right side
    1,403,830.64x = 1,534,367,951,315.04
  5. Step 5: Solve for x
    x = 1,534,367,951,315.04/1,403,830.64
  6. Step 6: Final answer
    x = 1,092,986.51

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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.