Home / 816,152.39-1,126,263.30-448,630.76

Finding the Fourth Proportional to 816,152.39, 1,126,263.30 and 448,630.76

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Solution

The fourth proportional to 816,152.39, 1,126,263.30 and 448,630.76 is: 619,095.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,152.39 : 1,126,263.30 = 448,630.76 : x
  2. Step 2: Convert to fraction form
    816,152.39/1,126,263.30 = 448,630.76/x
  3. Step 3: Cross multiply
    816,152.39x = 1,126,263.30 × 448,630.76
  4. Step 4: Simplify right side
    816,152.39x = 505,276,354,607.79
  5. Step 5: Solve for x
    x = 505,276,354,607.79/816,152.39
  6. Step 6: Final answer
    x = 619,095.61

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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.