Home / 1,333,068.81-1,999,810.59-434,301.33

Finding the Fourth Proportional to 1,333,068.81, 1,999,810.59 and 434,301.33

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Solution

The fourth proportional to 1,333,068.81, 1,999,810.59 and 434,301.33 is: 651,519.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,068.81 : 1,999,810.59 = 434,301.33 : x
  2. Step 2: Convert to fraction form
    1,333,068.81/1,999,810.59 = 434,301.33/x
  3. Step 3: Cross multiply
    1,333,068.81x = 1,999,810.59 × 434,301.33
  4. Step 4: Simplify right side
    1,333,068.81x = 868,520,398,985.09
  5. Step 5: Solve for x
    x = 868,520,398,985.09/1,333,068.81
  6. Step 6: Final answer
    x = 651,519.56

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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.