Home / 928,485.50-1,281,329.43-526,077.50

Finding the Fourth Proportional to 928,485.50, 1,281,329.43 and 526,077.50

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Solution

The fourth proportional to 928,485.50, 1,281,329.43 and 526,077.50 is: 725,997.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,485.50 : 1,281,329.43 = 526,077.50 : x
  2. Step 2: Convert to fraction form
    928,485.50/1,281,329.43 = 526,077.50/x
  3. Step 3: Cross multiply
    928,485.50x = 1,281,329.43 × 526,077.50
  4. Step 4: Simplify right side
    928,485.50x = 674,078,583,210.83
  5. Step 5: Solve for x
    x = 674,078,583,210.83/928,485.50
  6. Step 6: Final answer
    x = 725,997.96

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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.