Home / 754,652.64-1,041,415.20-415,113.60

Finding the Fourth Proportional to 754,652.64, 1,041,415.20 and 415,113.60

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Solution

The fourth proportional to 754,652.64, 1,041,415.20 and 415,113.60 is: 572,853.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,652.64 : 1,041,415.20 = 415,113.60 : x
  2. Step 2: Convert to fraction form
    754,652.64/1,041,415.20 = 415,113.60/x
  3. Step 3: Cross multiply
    754,652.64x = 1,041,415.20 × 415,113.60
  4. Step 4: Simplify right side
    754,652.64x = 432,305,612,766.72
  5. Step 5: Solve for x
    x = 432,305,612,766.72/754,652.64
  6. Step 6: Final answer
    x = 572,853.77

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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.