Home / 912,767.99-1,369,824.70-432,997.30

Finding the Fourth Proportional to 912,767.99, 1,369,824.70 and 432,997.30

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Solution

The fourth proportional to 912,767.99, 1,369,824.70 and 432,997.30 is: 649,815.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,767.99 : 1,369,824.70 = 432,997.30 : x
  2. Step 2: Convert to fraction form
    912,767.99/1,369,824.70 = 432,997.30/x
  3. Step 3: Cross multiply
    912,767.99x = 1,369,824.70 × 432,997.30
  4. Step 4: Simplify right side
    912,767.99x = 593,130,392,066.26
  5. Step 5: Solve for x
    x = 593,130,392,066.26/912,767.99
  6. Step 6: Final answer
    x = 649,815.06

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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.