Home / 1,086,891.90-1,630,337.85-666,404.70

Finding the Fourth Proportional to 1,086,891.90, 1,630,337.85 and 666,404.70

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Solution

The fourth proportional to 1,086,891.90, 1,630,337.85 and 666,404.70 is: 999,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,891.90 : 1,630,337.85 = 666,404.70 : x
  2. Step 2: Convert to fraction form
    1,086,891.90/1,630,337.85 = 666,404.70/x
  3. Step 3: Cross multiply
    1,086,891.90x = 1,630,337.85 × 666,404.70
  4. Step 4: Simplify right side
    1,086,891.90x = 1,086,464,805,827.90
  5. Step 5: Solve for x
    x = 1,086,464,805,827.90/1,086,891.90
  6. Step 6: Final answer
    x = 999,607.05

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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.