Home / 1,120,699.76-1,546,558.34-637,264.94

Finding the Fourth Proportional to 1,120,699.76, 1,546,558.34 and 637,264.94

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Solution

The fourth proportional to 1,120,699.76, 1,546,558.34 and 637,264.94 is: 879,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,699.76 : 1,546,558.34 = 637,264.94 : x
  2. Step 2: Convert to fraction form
    1,120,699.76/1,546,558.34 = 637,264.94/x
  3. Step 3: Cross multiply
    1,120,699.76x = 1,546,558.34 × 637,264.94
  4. Step 4: Simplify right side
    1,120,699.76x = 985,567,407,746.60
  5. Step 5: Solve for x
    x = 985,567,407,746.60/1,120,699.76
  6. Step 6: Final answer
    x = 879,421.45

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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.