Home / 1,125,921.16-1,553,784.42-616,645

Finding the Fourth Proportional to 1,125,921.16, 1,553,784.42 and 616,645

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Solution

The fourth proportional to 1,125,921.16, 1,553,784.42 and 616,645 is: 850,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,921.16 : 1,553,784.42 = 616,645 : x
  2. Step 2: Convert to fraction form
    1,125,921.16/1,553,784.42 = 616,645/x
  3. Step 3: Cross multiply
    1,125,921.16x = 1,553,784.42 × 616,645
  4. Step 4: Simplify right side
    1,125,921.16x = 958,133,393,670.90
  5. Step 5: Solve for x
    x = 958,133,393,670.90/1,125,921.16
  6. Step 6: Final answer
    x = 850,977.34

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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.