Home / 1,330,600.10-1,995,511.35-477,572.90

Finding the Fourth Proportional to 1,330,600.10, 1,995,511.35 and 477,572.90

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Solution

The fourth proportional to 1,330,600.10, 1,995,511.35 and 477,572.90 is: 716,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,600.10 : 1,995,511.35 = 477,572.90 : x
  2. Step 2: Convert to fraction form
    1,330,600.10/1,995,511.35 = 477,572.90/x
  3. Step 3: Cross multiply
    1,330,600.10x = 1,995,511.35 × 477,572.90
  4. Step 4: Simplify right side
    1,330,600.10x = 953,002,142,402.42
  5. Step 5: Solve for x
    x = 953,002,142,402.42/1,330,600.10
  6. Step 6: Final answer
    x = 716,219.80

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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.