Home / 883,355.28-1,219,066.92-501,417.60

Finding the Fourth Proportional to 883,355.28, 1,219,066.92 and 501,417.60

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Solution

The fourth proportional to 883,355.28, 1,219,066.92 and 501,417.60 is: 691,977.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,355.28 : 1,219,066.92 = 501,417.60 : x
  2. Step 2: Convert to fraction form
    883,355.28/1,219,066.92 = 501,417.60/x
  3. Step 3: Cross multiply
    883,355.28x = 1,219,066.92 × 501,417.60
  4. Step 4: Simplify right side
    883,355.28x = 611,261,609,265.79
  5. Step 5: Solve for x
    x = 611,261,609,265.79/883,355.28
  6. Step 6: Final answer
    x = 691,977.08

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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.