Home / 1,053,445.25-1,453,501.63-639,973.77

Finding the Fourth Proportional to 1,053,445.25, 1,453,501.63 and 639,973.77

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Solution

The fourth proportional to 1,053,445.25, 1,453,501.63 and 639,973.77 is: 883,010.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,445.25 : 1,453,501.63 = 639,973.77 : x
  2. Step 2: Convert to fraction form
    1,053,445.25/1,453,501.63 = 639,973.77/x
  3. Step 3: Cross multiply
    1,053,445.25x = 1,453,501.63 × 639,973.77
  4. Step 4: Simplify right side
    1,053,445.25x = 930,202,913,201.58
  5. Step 5: Solve for x
    x = 930,202,913,201.58/1,053,445.25
  6. Step 6: Final answer
    x = 883,010.21

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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.