Home / 842,957.40-1,162,928.37-552,638.67

Finding the Fourth Proportional to 842,957.40, 1,162,928.37 and 552,638.67

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Solution

The fourth proportional to 842,957.40, 1,162,928.37 and 552,638.67 is: 762,410.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,957.40 : 1,162,928.37 = 552,638.67 : x
  2. Step 2: Convert to fraction form
    842,957.40/1,162,928.37 = 552,638.67/x
  3. Step 3: Cross multiply
    842,957.40x = 1,162,928.37 × 552,638.67
  4. Step 4: Simplify right side
    842,957.40x = 642,679,187,702.07
  5. Step 5: Solve for x
    x = 642,679,187,702.07/842,957.40
  6. Step 6: Final answer
    x = 762,410.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.