Home / 842,852.40-1,163,040.84-498,698.88

Finding the Fourth Proportional to 842,852.40, 1,163,040.84 and 498,698.88

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Solution

The fourth proportional to 842,852.40, 1,163,040.84 and 498,698.88 is: 688,147.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,852.40 : 1,163,040.84 = 498,698.88 : x
  2. Step 2: Convert to fraction form
    842,852.40/1,163,040.84 = 498,698.88/x
  3. Step 3: Cross multiply
    842,852.40x = 1,163,040.84 × 498,698.88
  4. Step 4: Simplify right side
    842,852.40x = 580,007,164,302.26
  5. Step 5: Solve for x
    x = 580,007,164,302.26/842,852.40
  6. Step 6: Final answer
    x = 688,147.97

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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.