Home / 1,209,950.64-1,815,199.12-400,333.28

Finding the Fourth Proportional to 1,209,950.64, 1,815,199.12 and 400,333.28

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Solution

The fourth proportional to 1,209,950.64, 1,815,199.12 and 400,333.28 is: 600,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,950.64 : 1,815,199.12 = 400,333.28 : x
  2. Step 2: Convert to fraction form
    1,209,950.64/1,815,199.12 = 400,333.28/x
  3. Step 3: Cross multiply
    1,209,950.64x = 1,815,199.12 × 400,333.28
  4. Step 4: Simplify right side
    1,209,950.64x = 726,684,617,562.71
  5. Step 5: Solve for x
    x = 726,684,617,562.71/1,209,950.64
  6. Step 6: Final answer
    x = 600,590.30

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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.