Home / 935,355.70-1,399,530.30-666,106.30

Finding the Fourth Proportional to 935,355.70, 1,399,530.30 and 666,106.30

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Solution

The fourth proportional to 935,355.70, 1,399,530.30 and 666,106.30 is: 996,664.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,355.70 : 1,399,530.30 = 666,106.30 : x
  2. Step 2: Convert to fraction form
    935,355.70/1,399,530.30 = 666,106.30/x
  3. Step 3: Cross multiply
    935,355.70x = 1,399,530.30 × 666,106.30
  4. Step 4: Simplify right side
    935,355.70x = 932,235,949,870.89
  5. Step 5: Solve for x
    x = 932,235,949,870.89/935,355.70
  6. Step 6: Final answer
    x = 996,664.64

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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.