Home / 935,124.40-1,399,187.40-620,196.40

Finding the Fourth Proportional to 935,124.40, 1,399,187.40 and 620,196.40

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Solution

The fourth proportional to 935,124.40, 1,399,187.40 and 620,196.40 is: 927,973.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,124.40 : 1,399,187.40 = 620,196.40 : x
  2. Step 2: Convert to fraction form
    935,124.40/1,399,187.40 = 620,196.40/x
  3. Step 3: Cross multiply
    935,124.40x = 1,399,187.40 × 620,196.40
  4. Step 4: Simplify right side
    935,124.40x = 867,770,988,405.36
  5. Step 5: Solve for x
    x = 867,770,988,405.36/935,124.40
  6. Step 6: Final answer
    x = 927,973.85

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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.