Home / 1,079,728.48-1,619,426.64-360,082.78

Finding the Fourth Proportional to 1,079,728.48, 1,619,426.64 and 360,082.78

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Solution

The fourth proportional to 1,079,728.48, 1,619,426.64 and 360,082.78 is: 540,068.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,728.48 : 1,619,426.64 = 360,082.78 : x
  2. Step 2: Convert to fraction form
    1,079,728.48/1,619,426.64 = 360,082.78/x
  3. Step 3: Cross multiply
    1,079,728.48x = 1,619,426.64 × 360,082.78
  4. Step 4: Simplify right side
    1,079,728.48x = 583,127,646,537.26
  5. Step 5: Solve for x
    x = 583,127,646,537.26/1,079,728.48
  6. Step 6: Final answer
    x = 540,068.78

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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.