Home / 859,385.04-1,185,950.52-477,447.60

Finding the Fourth Proportional to 859,385.04, 1,185,950.52 and 477,447.60

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Solution

The fourth proportional to 859,385.04, 1,185,950.52 and 477,447.60 is: 658,877.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,385.04 : 1,185,950.52 = 477,447.60 : x
  2. Step 2: Convert to fraction form
    859,385.04/1,185,950.52 = 477,447.60/x
  3. Step 3: Cross multiply
    859,385.04x = 1,185,950.52 × 477,447.60
  4. Step 4: Simplify right side
    859,385.04x = 566,229,229,492.75
  5. Step 5: Solve for x
    x = 566,229,229,492.75/859,385.04
  6. Step 6: Final answer
    x = 658,877.22

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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.