Home / 859,120.40-1,185,600.80-471,952.16

Finding the Fourth Proportional to 859,120.40, 1,185,600.80 and 471,952.16

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Solution

The fourth proportional to 859,120.40, 1,185,600.80 and 471,952.16 is: 651,302.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,120.40 : 1,185,600.80 = 471,952.16 : x
  2. Step 2: Convert to fraction form
    859,120.40/1,185,600.80 = 471,952.16/x
  3. Step 3: Cross multiply
    859,120.40x = 1,185,600.80 × 471,952.16
  4. Step 4: Simplify right side
    859,120.40x = 559,546,858,457.73
  5. Step 5: Solve for x
    x = 559,546,858,457.73/859,120.40
  6. Step 6: Final answer
    x = 651,302.03

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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.