Home / 855,760.69-1,180,867.98-511,528.27

Finding the Fourth Proportional to 855,760.69, 1,180,867.98 and 511,528.27

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Solution

The fourth proportional to 855,760.69, 1,180,867.98 and 511,528.27 is: 705,860.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,760.69 : 1,180,867.98 = 511,528.27 : x
  2. Step 2: Convert to fraction form
    855,760.69/1,180,867.98 = 511,528.27/x
  3. Step 3: Cross multiply
    855,760.69x = 1,180,867.98 × 511,528.27
  4. Step 4: Simplify right side
    855,760.69x = 604,047,354,907.80
  5. Step 5: Solve for x
    x = 604,047,354,907.80/855,760.69
  6. Step 6: Final answer
    x = 705,860.13

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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.