Home / 1,214,880.30-1,822,320.45-540,960.30

Finding the Fourth Proportional to 1,214,880.30, 1,822,320.45 and 540,960.30

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Solution

The fourth proportional to 1,214,880.30, 1,822,320.45 and 540,960.30 is: 811,440.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,880.30 : 1,822,320.45 = 540,960.30 : x
  2. Step 2: Convert to fraction form
    1,214,880.30/1,822,320.45 = 540,960.30/x
  3. Step 3: Cross multiply
    1,214,880.30x = 1,822,320.45 × 540,960.30
  4. Step 4: Simplify right side
    1,214,880.30x = 985,803,017,328.14
  5. Step 5: Solve for x
    x = 985,803,017,328.14/1,214,880.30
  6. Step 6: Final answer
    x = 811,440.45

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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.