Home / 1,125,729.48-1,553,448.78-616,333.32

Finding the Fourth Proportional to 1,125,729.48, 1,553,448.78 and 616,333.32

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Solution

The fourth proportional to 1,125,729.48, 1,553,448.78 and 616,333.32 is: 850,508.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,729.48 : 1,553,448.78 = 616,333.32 : x
  2. Step 2: Convert to fraction form
    1,125,729.48/1,553,448.78 = 616,333.32/x
  3. Step 3: Cross multiply
    1,125,729.48x = 1,553,448.78 × 616,333.32
  4. Step 4: Simplify right side
    1,125,729.48x = 957,442,244,027.35
  5. Step 5: Solve for x
    x = 957,442,244,027.35/1,125,729.48
  6. Step 6: Final answer
    x = 850,508.28

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1.5x scale

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.