Home / 1,333,713.79-1,999,564.65-434,618.65

Finding the Fourth Proportional to 1,333,713.79, 1,999,564.65 and 434,618.65

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Solution

The fourth proportional to 1,333,713.79, 1,999,564.65 and 434,618.65 is: 651,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,713.79 : 1,999,564.65 = 434,618.65 : x
  2. Step 2: Convert to fraction form
    1,333,713.79/1,999,564.65 = 434,618.65/x
  3. Step 3: Cross multiply
    1,333,713.79x = 1,999,564.65 × 434,618.65
  4. Step 4: Simplify right side
    1,333,713.79x = 869,048,080,022.63
  5. Step 5: Solve for x
    x = 869,048,080,022.63/1,333,713.79
  6. Step 6: Final answer
    x = 651,600.13

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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.