Home / 992,643.52-1,370,091.36-563,175.04

Finding the Fourth Proportional to 992,643.52, 1,370,091.36 and 563,175.04

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Solution

The fourth proportional to 992,643.52, 1,370,091.36 and 563,175.04 is: 777,319.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,643.52 : 1,370,091.36 = 563,175.04 : x
  2. Step 2: Convert to fraction form
    992,643.52/1,370,091.36 = 563,175.04/x
  3. Step 3: Cross multiply
    992,643.52x = 1,370,091.36 × 563,175.04
  4. Step 4: Simplify right side
    992,643.52x = 771,601,256,471.66
  5. Step 5: Solve for x
    x = 771,601,256,471.66/992,643.52
  6. Step 6: Final answer
    x = 777,319.59

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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.