Home / 1,150,281.18-1,587,201.32-666,751.86

Finding the Fourth Proportional to 1,150,281.18, 1,587,201.32 and 666,751.86

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Solution

The fourth proportional to 1,150,281.18, 1,587,201.32 and 666,751.86 is: 920,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,281.18 : 1,587,201.32 = 666,751.86 : x
  2. Step 2: Convert to fraction form
    1,150,281.18/1,587,201.32 = 666,751.86/x
  3. Step 3: Cross multiply
    1,150,281.18x = 1,587,201.32 × 666,751.86
  4. Step 4: Simplify right side
    1,150,281.18x = 1,058,269,428,970.70
  5. Step 5: Solve for x
    x = 1,058,269,428,970.70/1,150,281.18
  6. Step 6: Final answer
    x = 920,009.34

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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.