Home / 1,330,507.10-1,995,760.65-656,692.40

Finding the Fourth Proportional to 1,330,507.10, 1,995,760.65 and 656,692.40

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Solution

The fourth proportional to 1,330,507.10, 1,995,760.65 and 656,692.40 is: 985,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,507.10 : 1,995,760.65 = 656,692.40 : x
  2. Step 2: Convert to fraction form
    1,330,507.10/1,995,760.65 = 656,692.40/x
  3. Step 3: Cross multiply
    1,330,507.10x = 1,995,760.65 × 656,692.40
  4. Step 4: Simplify right side
    1,330,507.10x = 1,310,600,851,074.06
  5. Step 5: Solve for x
    x = 1,310,600,851,074.06/1,330,507.10
  6. Step 6: Final answer
    x = 985,038.60

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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.