Home / 714,649.20-1,070,418.60-433,676.40

Finding the Fourth Proportional to 714,649.20, 1,070,418.60 and 433,676.40

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Solution

The fourth proportional to 714,649.20, 1,070,418.60 and 433,676.40 is: 649,570.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,649.20 : 1,070,418.60 = 433,676.40 : x
  2. Step 2: Convert to fraction form
    714,649.20/1,070,418.60 = 433,676.40/x
  3. Step 3: Cross multiply
    714,649.20x = 1,070,418.60 × 433,676.40
  4. Step 4: Simplify right side
    714,649.20x = 464,215,284,941.04
  5. Step 5: Solve for x
    x = 464,215,284,941.04/714,649.20
  6. Step 6: Final answer
    x = 649,570.85

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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.