Home / 753,440.27-1,130,316.06-248,031.63

Finding the Fourth Proportional to 753,440.27, 1,130,316.06 and 248,031.63

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Solution

The fourth proportional to 753,440.27, 1,130,316.06 and 248,031.63 is: 372,098.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,440.27 : 1,130,316.06 = 248,031.63 : x
  2. Step 2: Convert to fraction form
    753,440.27/1,130,316.06 = 248,031.63/x
  3. Step 3: Cross multiply
    753,440.27x = 1,130,316.06 × 248,031.63
  4. Step 4: Simplify right side
    753,440.27x = 280,354,134,949.72
  5. Step 5: Solve for x
    x = 280,354,134,949.72/753,440.27
  6. Step 6: Final answer
    x = 372,098.69

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.