Home / 856,347.86-1,181,750.06-463,873.43

Finding the Fourth Proportional to 856,347.86, 1,181,750.06 and 463,873.43

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Solution

The fourth proportional to 856,347.86, 1,181,750.06 and 463,873.43 is: 640,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,347.86 : 1,181,750.06 = 463,873.43 : x
  2. Step 2: Convert to fraction form
    856,347.86/1,181,750.06 = 463,873.43/x
  3. Step 3: Cross multiply
    856,347.86x = 1,181,750.06 × 463,873.43
  4. Step 4: Simplify right side
    856,347.86x = 548,182,457,848.97
  5. Step 5: Solve for x
    x = 548,182,457,848.97/856,347.86
  6. Step 6: Final answer
    x = 640,139.93

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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.