Home / 856,080.81-1,181,403.90-493,498.08

Finding the Fourth Proportional to 856,080.81, 1,181,403.90 and 493,498.08

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Solution

The fourth proportional to 856,080.81, 1,181,403.90 and 493,498.08 is: 681,034.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,080.81 : 1,181,403.90 = 493,498.08 : x
  2. Step 2: Convert to fraction form
    856,080.81/1,181,403.90 = 493,498.08/x
  3. Step 3: Cross multiply
    856,080.81x = 1,181,403.90 × 493,498.08
  4. Step 4: Simplify right side
    856,080.81x = 583,020,556,354.51
  5. Step 5: Solve for x
    x = 583,020,556,354.51/856,080.81
  6. Step 6: Final answer
    x = 681,034.49

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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.