Home / 864,164.60-1,296,246.90-580,729.40

Finding the Fourth Proportional to 864,164.60, 1,296,246.90 and 580,729.40

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Solution

The fourth proportional to 864,164.60, 1,296,246.90 and 580,729.40 is: 871,094.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,164.60 : 1,296,246.90 = 580,729.40 : x
  2. Step 2: Convert to fraction form
    864,164.60/1,296,246.90 = 580,729.40/x
  3. Step 3: Cross multiply
    864,164.60x = 1,296,246.90 × 580,729.40
  4. Step 4: Simplify right side
    864,164.60x = 752,768,684,488.86
  5. Step 5: Solve for x
    x = 752,768,684,488.86/864,164.60
  6. Step 6: Final answer
    x = 871,094.10

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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.