Home / 1,067,547.13-1,601,549.12-393,630.37

Finding the Fourth Proportional to 1,067,547.13, 1,601,549.12 and 393,630.37

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Solution

The fourth proportional to 1,067,547.13, 1,601,549.12 and 393,630.37 is: 590,529.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,547.13 : 1,601,549.12 = 393,630.37 : x
  2. Step 2: Convert to fraction form
    1,067,547.13/1,601,549.12 = 393,630.37/x
  3. Step 3: Cross multiply
    1,067,547.13x = 1,601,549.12 × 393,630.37
  4. Step 4: Simplify right side
    1,067,547.13x = 630,418,372,678.77
  5. Step 5: Solve for x
    x = 630,418,372,678.77/1,067,547.13
  6. Step 6: Final answer
    x = 590,529.78

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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.