Home / 829,077.10-1,240,663.20-575,166.40

Finding the Fourth Proportional to 829,077.10, 1,240,663.20 and 575,166.40

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Solution

The fourth proportional to 829,077.10, 1,240,663.20 and 575,166.40 is: 860,701.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,077.10 : 1,240,663.20 = 575,166.40 : x
  2. Step 2: Convert to fraction form
    829,077.10/1,240,663.20 = 575,166.40/x
  3. Step 3: Cross multiply
    829,077.10x = 1,240,663.20 × 575,166.40
  4. Step 4: Simplify right side
    829,077.10x = 713,587,786,356.48
  5. Step 5: Solve for x
    x = 713,587,786,356.48/829,077.10
  6. Step 6: Final answer
    x = 860,701.36

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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.