Home / 1,125,978.04-1,553,887.02-616,708.36

Finding the Fourth Proportional to 1,125,978.04, 1,553,887.02 and 616,708.36

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Solution

The fourth proportional to 1,125,978.04, 1,553,887.02 and 616,708.36 is: 851,077.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,978.04 : 1,553,887.02 = 616,708.36 : x
  2. Step 2: Convert to fraction form
    1,125,978.04/1,553,887.02 = 616,708.36/x
  3. Step 3: Cross multiply
    1,125,978.04x = 1,553,887.02 × 616,708.36
  4. Step 4: Simplify right side
    1,125,978.04x = 958,295,115,729.49
  5. Step 5: Solve for x
    x = 958,295,115,729.49/1,125,978.04
  6. Step 6: Final answer
    x = 851,077.98

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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.