Home / 856,430.41-1,181,778.61-474,361.51

Finding the Fourth Proportional to 856,430.41, 1,181,778.61 and 474,361.51

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Solution

The fourth proportional to 856,430.41, 1,181,778.61 and 474,361.51 is: 654,566.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,430.41 : 1,181,778.61 = 474,361.51 : x
  2. Step 2: Convert to fraction form
    856,430.41/1,181,778.61 = 474,361.51/x
  3. Step 3: Cross multiply
    856,430.41x = 1,181,778.61 × 474,361.51
  4. Step 4: Simplify right side
    856,430.41x = 560,590,281,784.95
  5. Step 5: Solve for x
    x = 560,590,281,784.95/856,430.41
  6. Step 6: Final answer
    x = 654,566.07

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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.