Home / 878,633.63-1,212,156.60-572,598.52

Finding the Fourth Proportional to 878,633.63, 1,212,156.60 and 572,598.52

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Solution

The fourth proportional to 878,633.63, 1,212,156.60 and 572,598.52 is: 789,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,633.63 : 1,212,156.60 = 572,598.52 : x
  2. Step 2: Convert to fraction form
    878,633.63/1,212,156.60 = 572,598.52/x
  3. Step 3: Cross multiply
    878,633.63x = 1,212,156.60 × 572,598.52
  4. Step 4: Simplify right side
    878,633.63x = 694,079,069,990.60
  5. Step 5: Solve for x
    x = 694,079,069,990.60/878,633.63
  6. Step 6: Final answer
    x = 789,952.77

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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.