Home / 1,153,945.71-1,730,743.61-405,816.75

Finding the Fourth Proportional to 1,153,945.71, 1,730,743.61 and 405,816.75

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Solution

The fourth proportional to 1,153,945.71, 1,730,743.61 and 405,816.75 is: 608,663.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,153,945.71 : 1,730,743.61 = 405,816.75 : x
  2. Step 2: Convert to fraction form
    1,153,945.71/1,730,743.61 = 405,816.75/x
  3. Step 3: Cross multiply
    1,153,945.71x = 1,730,743.61 × 405,816.75
  4. Step 4: Simplify right side
    1,153,945.71x = 702,364,744,864.38
  5. Step 5: Solve for x
    x = 702,364,744,864.38/1,153,945.71
  6. Step 6: Final answer
    x = 608,663.60

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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.