Home / 1,236,278.40-1,854,417.60-437,553.60

Finding the Fourth Proportional to 1,236,278.40, 1,854,417.60 and 437,553.60

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Solution

The fourth proportional to 1,236,278.40, 1,854,417.60 and 437,553.60 is: 656,330.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,278.40 : 1,854,417.60 = 437,553.60 : x
  2. Step 2: Convert to fraction form
    1,236,278.40/1,854,417.60 = 437,553.60/x
  3. Step 3: Cross multiply
    1,236,278.40x = 1,854,417.60 × 437,553.60
  4. Step 4: Simplify right side
    1,236,278.40x = 811,407,096,783.36
  5. Step 5: Solve for x
    x = 811,407,096,783.36/1,236,278.40
  6. Step 6: Final answer
    x = 656,330.40

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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.