Home / 1,160,905.65-1,602,089.90-644,668.19

Finding the Fourth Proportional to 1,160,905.65, 1,602,089.90 and 644,668.19

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Solution

The fourth proportional to 1,160,905.65, 1,602,089.90 and 644,668.19 is: 889,664.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,905.65 : 1,602,089.90 = 644,668.19 : x
  2. Step 2: Convert to fraction form
    1,160,905.65/1,602,089.90 = 644,668.19/x
  3. Step 3: Cross multiply
    1,160,905.65x = 1,602,089.90 × 644,668.19
  4. Step 4: Simplify right side
    1,160,905.65x = 1,032,816,384,816.49
  5. Step 5: Solve for x
    x = 1,032,816,384,816.49/1,160,905.65
  6. Step 6: Final answer
    x = 889,664.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.