Home / 858,758.16-1,185,031.44-476,784.84

Finding the Fourth Proportional to 858,758.16, 1,185,031.44 and 476,784.84

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Solution

The fourth proportional to 858,758.16, 1,185,031.44 and 476,784.84 is: 657,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,758.16 : 1,185,031.44 = 476,784.84 : x
  2. Step 2: Convert to fraction form
    858,758.16/1,185,031.44 = 476,784.84/x
  3. Step 3: Cross multiply
    858,758.16x = 1,185,031.44 × 476,784.84
  4. Step 4: Simplify right side
    858,758.16x = 565,005,025,515.37
  5. Step 5: Solve for x
    x = 565,005,025,515.37/858,758.16
  6. Step 6: Final answer
    x = 657,932.64

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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.