Home / 632,738.40-873,191.52-346,257.60

Finding the Fourth Proportional to 632,738.40, 873,191.52 and 346,257.60

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Solution

The fourth proportional to 632,738.40, 873,191.52 and 346,257.60 is: 477,842.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,738.40 : 873,191.52 = 346,257.60 : x
  2. Step 2: Convert to fraction form
    632,738.40/873,191.52 = 346,257.60/x
  3. Step 3: Cross multiply
    632,738.40x = 873,191.52 × 346,257.60
  4. Step 4: Simplify right side
    632,738.40x = 302,349,200,055.55
  5. Step 5: Solve for x
    x = 302,349,200,055.55/632,738.40
  6. Step 6: Final answer
    x = 477,842.34

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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.