Home / 877,134.61-1,314,642.30-427,181.23

Finding the Fourth Proportional to 877,134.61, 1,314,642.30 and 427,181.23

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Solution

The fourth proportional to 877,134.61, 1,314,642.30 and 427,181.23 is: 640,255.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,134.61 : 1,314,642.30 = 427,181.23 : x
  2. Step 2: Convert to fraction form
    877,134.61/1,314,642.30 = 427,181.23/x
  3. Step 3: Cross multiply
    877,134.61x = 1,314,642.30 × 427,181.23
  4. Step 4: Simplify right side
    877,134.61x = 561,590,514,724.03
  5. Step 5: Solve for x
    x = 561,590,514,724.03/877,134.61
  6. Step 6: Final answer
    x = 640,255.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.