Home / 749,485.50-1,034,304.60-409,961.04

Finding the Fourth Proportional to 749,485.50, 1,034,304.60 and 409,961.04

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Solution

The fourth proportional to 749,485.50, 1,034,304.60 and 409,961.04 is: 565,754.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,485.50 : 1,034,304.60 = 409,961.04 : x
  2. Step 2: Convert to fraction form
    749,485.50/1,034,304.60 = 409,961.04/x
  3. Step 3: Cross multiply
    749,485.50x = 1,034,304.60 × 409,961.04
  4. Step 4: Simplify right side
    749,485.50x = 424,024,589,492.78
  5. Step 5: Solve for x
    x = 424,024,589,492.78/749,485.50
  6. Step 6: Final answer
    x = 565,754.23

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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.