Home / 983,200.66-1,356,765.30-553,466.50

Finding the Fourth Proportional to 983,200.66, 1,356,765.30 and 553,466.50

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Solution

The fourth proportional to 983,200.66, 1,356,765.30 and 553,466.50 is: 763,754.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,200.66 : 1,356,765.30 = 553,466.50 : x
  2. Step 2: Convert to fraction form
    983,200.66/1,356,765.30 = 553,466.50/x
  3. Step 3: Cross multiply
    983,200.66x = 1,356,765.30 × 553,466.50
  4. Step 4: Simplify right side
    983,200.66x = 750,924,141,912.45
  5. Step 5: Solve for x
    x = 750,924,141,912.45/983,200.66
  6. Step 6: Final answer
    x = 763,754.72

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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.