Home / 1,087,202.80-1,630,026.60-487,673.20

Finding the Fourth Proportional to 1,087,202.80, 1,630,026.60 and 487,673.20

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Solution

The fourth proportional to 1,087,202.80, 1,630,026.60 and 487,673.20 is: 731,161.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,202.80 : 1,630,026.60 = 487,673.20 : x
  2. Step 2: Convert to fraction form
    1,087,202.80/1,630,026.60 = 487,673.20/x
  3. Step 3: Cross multiply
    1,087,202.80x = 1,630,026.60 × 487,673.20
  4. Step 4: Simplify right side
    1,087,202.80x = 794,920,288,107.12
  5. Step 5: Solve for x
    x = 794,920,288,107.12/1,087,202.80
  6. Step 6: Final answer
    x = 731,161.00

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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.