Home / 1,285,205.20-1,927,462.20-537,096.40

Finding the Fourth Proportional to 1,285,205.20, 1,927,462.20 and 537,096.40

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Solution

The fourth proportional to 1,285,205.20, 1,927,462.20 and 537,096.40 is: 805,500.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,205.20 : 1,927,462.20 = 537,096.40 : x
  2. Step 2: Convert to fraction form
    1,285,205.20/1,927,462.20 = 537,096.40/x
  3. Step 3: Cross multiply
    1,285,205.20x = 1,927,462.20 × 537,096.40
  4. Step 4: Simplify right side
    1,285,205.20x = 1,035,233,008,756.08
  5. Step 5: Solve for x
    x = 1,035,233,008,756.08/1,285,205.20
  6. Step 6: Final answer
    x = 805,500.17

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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.