Home / 1,333,461.11-1,999,988.64-434,901.41

Finding the Fourth Proportional to 1,333,461.11, 1,999,988.64 and 434,901.41

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Solution

The fourth proportional to 1,333,461.11, 1,999,988.64 and 434,901.41 is: 652,285.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,461.11 : 1,999,988.64 = 434,901.41 : x
  2. Step 2: Convert to fraction form
    1,333,461.11/1,999,988.64 = 434,901.41/x
  3. Step 3: Cross multiply
    1,333,461.11x = 1,999,988.64 × 434,901.41
  4. Step 4: Simplify right side
    1,333,461.11x = 869,797,869,520.04
  5. Step 5: Solve for x
    x = 869,797,869,520.04/1,333,461.11
  6. Step 6: Final answer
    x = 652,285.89

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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.