Home / 1,125,802.70-1,553,561.07-616,496.30

Finding the Fourth Proportional to 1,125,802.70, 1,553,561.07 and 616,496.30

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Solution

The fourth proportional to 1,125,802.70, 1,553,561.07 and 616,496.30 is: 850,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,802.70 : 1,553,561.07 = 616,496.30 : x
  2. Step 2: Convert to fraction form
    1,125,802.70/1,553,561.07 = 616,496.30/x
  3. Step 3: Cross multiply
    1,125,802.70x = 1,553,561.07 × 616,496.30
  4. Step 4: Simplify right side
    1,125,802.70x = 957,764,651,479.04
  5. Step 5: Solve for x
    x = 957,764,651,479.04/1,125,802.70
  6. Step 6: Final answer
    x = 850,739.34

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Double scale
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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.