Home / 857,955.40-1,184,120.58-476,104.84

Finding the Fourth Proportional to 857,955.40, 1,184,120.58 and 476,104.84

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Solution

The fourth proportional to 857,955.40, 1,184,120.58 and 476,104.84 is: 657,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,955.40 : 1,184,120.58 = 476,104.84 : x
  2. Step 2: Convert to fraction form
    857,955.40/1,184,120.58 = 476,104.84/x
  3. Step 3: Cross multiply
    857,955.40x = 1,184,120.58 × 476,104.84
  4. Step 4: Simplify right side
    857,955.40x = 563,765,539,281.61
  5. Step 5: Solve for x
    x = 563,765,539,281.61/857,955.40
  6. Step 6: Final answer
    x = 657,103.55

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Double scale
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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.