Home / 935,575.20-1,403,362.80-667,886.40

Finding the Fourth Proportional to 935,575.20, 1,403,362.80 and 667,886.40

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Solution

The fourth proportional to 935,575.20, 1,403,362.80 and 667,886.40 is: 1,001,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,575.20 : 1,403,362.80 = 667,886.40 : x
  2. Step 2: Convert to fraction form
    935,575.20/1,403,362.80 = 667,886.40/x
  3. Step 3: Cross multiply
    935,575.20x = 1,403,362.80 × 667,886.40
  4. Step 4: Simplify right side
    935,575.20x = 937,286,928,385.92
  5. Step 5: Solve for x
    x = 937,286,928,385.92/935,575.20
  6. Step 6: Final answer
    x = 1,001,829.60

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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.