Home / 1,364,792.18-2,047,010.36-405,228.48

Finding the Fourth Proportional to 1,364,792.18, 2,047,010.36 and 405,228.48

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Solution

The fourth proportional to 1,364,792.18, 2,047,010.36 and 405,228.48 is: 607,789.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,792.18 : 2,047,010.36 = 405,228.48 : x
  2. Step 2: Convert to fraction form
    1,364,792.18/2,047,010.36 = 405,228.48/x
  3. Step 3: Cross multiply
    1,364,792.18x = 2,047,010.36 × 405,228.48
  4. Step 4: Simplify right side
    1,364,792.18x = 829,506,897,740.12
  5. Step 5: Solve for x
    x = 829,506,897,740.12/1,364,792.18
  6. Step 6: Final answer
    x = 607,789.90

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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.