Home / 856,616.95-1,182,255.55-493,968.61

Finding the Fourth Proportional to 856,616.95, 1,182,255.55 and 493,968.61

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Solution

The fourth proportional to 856,616.95, 1,182,255.55 and 493,968.61 is: 681,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,616.95 : 1,182,255.55 = 493,968.61 : x
  2. Step 2: Convert to fraction form
    856,616.95/1,182,255.55 = 493,968.61/x
  3. Step 3: Cross multiply
    856,616.95x = 1,182,255.55 × 493,968.61
  4. Step 4: Simplify right side
    856,616.95x = 583,997,130,941.18
  5. Step 5: Solve for x
    x = 583,997,130,941.18/856,616.95
  6. Step 6: Final answer
    x = 681,748.28

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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.