Home / 863,056.17-1,190,461.73-572,661.45

Finding the Fourth Proportional to 863,056.17, 1,190,461.73 and 572,661.45

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Solution

The fourth proportional to 863,056.17, 1,190,461.73 and 572,661.45 is: 789,904.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,056.17 : 1,190,461.73 = 572,661.45 : x
  2. Step 2: Convert to fraction form
    863,056.17/1,190,461.73 = 572,661.45/x
  3. Step 3: Cross multiply
    863,056.17x = 1,190,461.73 × 572,661.45
  4. Step 4: Simplify right side
    863,056.17x = 681,731,537,608.00
  5. Step 5: Solve for x
    x = 681,731,537,608.00/863,056.17
  6. Step 6: Final answer
    x = 789,904.02

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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.