Home / 829,076.10-1,240,661.70-575,165.40

Finding the Fourth Proportional to 829,076.10, 1,240,661.70 and 575,165.40

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Solution

The fourth proportional to 829,076.10, 1,240,661.70 and 575,165.40 is: 860,699.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,076.10 : 1,240,661.70 = 575,165.40 : x
  2. Step 2: Convert to fraction form
    829,076.10/1,240,661.70 = 575,165.40/x
  3. Step 3: Cross multiply
    829,076.10x = 1,240,661.70 × 575,165.40
  4. Step 4: Simplify right side
    829,076.10x = 713,585,682,945.18
  5. Step 5: Solve for x
    x = 713,585,682,945.18/829,076.10
  6. Step 6: Final answer
    x = 860,699.86

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1.5x scale

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.