Home / 1,214,866.80-1,822,300.20-540,946.80

Finding the Fourth Proportional to 1,214,866.80, 1,822,300.20 and 540,946.80

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Solution

The fourth proportional to 1,214,866.80, 1,822,300.20 and 540,946.80 is: 811,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,866.80 : 1,822,300.20 = 540,946.80 : x
  2. Step 2: Convert to fraction form
    1,214,866.80/1,822,300.20 = 540,946.80/x
  3. Step 3: Cross multiply
    1,214,866.80x = 1,822,300.20 × 540,946.80
  4. Step 4: Simplify right side
    1,214,866.80x = 985,767,461,829.36
  5. Step 5: Solve for x
    x = 985,767,461,829.36/1,214,866.80
  6. Step 6: Final answer
    x = 811,420.20

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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.