Home / 1,100,071.85-1,518,192.77-616,730.42

Finding the Fourth Proportional to 1,100,071.85, 1,518,192.77 and 616,730.42

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Solution

The fourth proportional to 1,100,071.85, 1,518,192.77 and 616,730.42 is: 851,140.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,071.85 : 1,518,192.77 = 616,730.42 : x
  2. Step 2: Convert to fraction form
    1,100,071.85/1,518,192.77 = 616,730.42/x
  3. Step 3: Cross multiply
    1,100,071.85x = 1,518,192.77 × 616,730.42
  4. Step 4: Simplify right side
    1,100,071.85x = 936,315,668,864.00
  5. Step 5: Solve for x
    x = 936,315,668,864.00/1,100,071.85
  6. Step 6: Final answer
    x = 851,140.47

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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.