Home / 1,285,226.20-1,927,493.70-537,117.40

Finding the Fourth Proportional to 1,285,226.20, 1,927,493.70 and 537,117.40

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Solution

The fourth proportional to 1,285,226.20, 1,927,493.70 and 537,117.40 is: 805,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,226.20 : 1,927,493.70 = 537,117.40 : x
  2. Step 2: Convert to fraction form
    1,285,226.20/1,927,493.70 = 537,117.40/x
  3. Step 3: Cross multiply
    1,285,226.20x = 1,927,493.70 × 537,117.40
  4. Step 4: Simplify right side
    1,285,226.20x = 1,035,290,404,660.38
  5. Step 5: Solve for x
    x = 1,035,290,404,660.38/1,285,226.20
  6. Step 6: Final answer
    x = 805,531.67

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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.