Home / 1,125,505.20-1,553,135.94-616,109.16

Finding the Fourth Proportional to 1,125,505.20, 1,553,135.94 and 616,109.16

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Solution

The fourth proportional to 1,125,505.20, 1,553,135.94 and 616,109.16 is: 850,197.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,505.20 : 1,553,135.94 = 616,109.16 : x
  2. Step 2: Convert to fraction form
    1,125,505.20/1,553,135.94 = 616,109.16/x
  3. Step 3: Cross multiply
    1,125,505.20x = 1,553,135.94 × 616,109.16
  4. Step 4: Simplify right side
    1,125,505.20x = 956,901,279,359.21
  5. Step 5: Solve for x
    x = 956,901,279,359.21/1,125,505.20
  6. Step 6: Final answer
    x = 850,197.12

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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.