Home / 1,285,209.20-1,927,468.20-537,100.40

Finding the Fourth Proportional to 1,285,209.20, 1,927,468.20 and 537,100.40

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Solution

The fourth proportional to 1,285,209.20, 1,927,468.20 and 537,100.40 is: 805,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,209.20 : 1,927,468.20 = 537,100.40 : x
  2. Step 2: Convert to fraction form
    1,285,209.20/1,927,468.20 = 537,100.40/x
  3. Step 3: Cross multiply
    1,285,209.20x = 1,927,468.20 × 537,100.40
  4. Step 4: Simplify right side
    1,285,209.20x = 1,035,243,941,207.28
  5. Step 5: Solve for x
    x = 1,035,243,941,207.28/1,285,209.20
  6. Step 6: Final answer
    x = 805,506.17

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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.