Home / 757,776.64-1,045,715.79-413,601.16

Finding the Fourth Proportional to 757,776.64, 1,045,715.79 and 413,601.16

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Solution

The fourth proportional to 757,776.64, 1,045,715.79 and 413,601.16 is: 570,760.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,776.64 : 1,045,715.79 = 413,601.16 : x
  2. Step 2: Convert to fraction form
    757,776.64/1,045,715.79 = 413,601.16/x
  3. Step 3: Cross multiply
    757,776.64x = 1,045,715.79 × 413,601.16
  4. Step 4: Simplify right side
    757,776.64x = 432,509,263,774.32
  5. Step 5: Solve for x
    x = 432,509,263,774.32/757,776.64
  6. Step 6: Final answer
    x = 570,760.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.