Home / 1,285,207.20-1,927,465.20-537,098.40

Finding the Fourth Proportional to 1,285,207.20, 1,927,465.20 and 537,098.40

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Solution

The fourth proportional to 1,285,207.20, 1,927,465.20 and 537,098.40 is: 805,503.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,207.20 : 1,927,465.20 = 537,098.40 : x
  2. Step 2: Convert to fraction form
    1,285,207.20/1,927,465.20 = 537,098.40/x
  3. Step 3: Cross multiply
    1,285,207.20x = 1,927,465.20 × 537,098.40
  4. Step 4: Simplify right side
    1,285,207.20x = 1,035,238,474,975.68
  5. Step 5: Solve for x
    x = 1,035,238,474,975.68/1,285,207.20
  6. Step 6: Final answer
    x = 805,503.17

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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.