Home / 1,115,809.56-1,539,809.28-632,370.60

Finding the Fourth Proportional to 1,115,809.56, 1,539,809.28 and 632,370.60

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Solution

The fourth proportional to 1,115,809.56, 1,539,809.28 and 632,370.60 is: 872,666.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,809.56 : 1,539,809.28 = 632,370.60 : x
  2. Step 2: Convert to fraction form
    1,115,809.56/1,539,809.28 = 632,370.60/x
  3. Step 3: Cross multiply
    1,115,809.56x = 1,539,809.28 × 632,370.60
  4. Step 4: Simplify right side
    1,115,809.56x = 973,730,118,279.17
  5. Step 5: Solve for x
    x = 973,730,118,279.17/1,115,809.56
  6. Step 6: Final answer
    x = 872,666.94

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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.