Home / 886,995.40-1,330,493.10-437,931.40

Finding the Fourth Proportional to 886,995.40, 1,330,493.10 and 437,931.40

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Solution

The fourth proportional to 886,995.40, 1,330,493.10 and 437,931.40 is: 656,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,995.40 : 1,330,493.10 = 437,931.40 : x
  2. Step 2: Convert to fraction form
    886,995.40/1,330,493.10 = 437,931.40/x
  3. Step 3: Cross multiply
    886,995.40x = 1,330,493.10 × 437,931.40
  4. Step 4: Simplify right side
    886,995.40x = 582,664,705,973.34
  5. Step 5: Solve for x
    x = 582,664,705,973.34/886,995.40
  6. Step 6: Final answer
    x = 656,897.10

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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.