Home / 864,095.40-1,296,143.10-824,729.40

Finding the Fourth Proportional to 864,095.40, 1,296,143.10 and 824,729.40

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Solution

The fourth proportional to 864,095.40, 1,296,143.10 and 824,729.40 is: 1,237,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,095.40 : 1,296,143.10 = 824,729.40 : x
  2. Step 2: Convert to fraction form
    864,095.40/1,296,143.10 = 824,729.40/x
  3. Step 3: Cross multiply
    864,095.40x = 1,296,143.10 × 824,729.40
  4. Step 4: Simplify right side
    864,095.40x = 1,068,967,321,177.14
  5. Step 5: Solve for x
    x = 1,068,967,321,177.14/864,095.40
  6. Step 6: Final answer
    x = 1,237,094.10

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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.