Home / 1,415,821.55-1,953,741.66-834,911.45

Finding the Fourth Proportional to 1,415,821.55, 1,953,741.66 and 834,911.45

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Solution

The fourth proportional to 1,415,821.55, 1,953,741.66 and 834,911.45 is: 1,152,123.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,821.55 : 1,953,741.66 = 834,911.45 : x
  2. Step 2: Convert to fraction form
    1,415,821.55/1,953,741.66 = 834,911.45/x
  3. Step 3: Cross multiply
    1,415,821.55x = 1,953,741.66 × 834,911.45
  4. Step 4: Simplify right side
    1,415,821.55x = 1,631,201,272,507.30
  5. Step 5: Solve for x
    x = 1,631,201,272,507.30/1,415,821.55
  6. Step 6: Final answer
    x = 1,152,123.50

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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.