Home / 1,276,781.58-1,762,082.64-953,931.24

Finding the Fourth Proportional to 1,276,781.58, 1,762,082.64 and 953,931.24

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Solution

The fourth proportional to 1,276,781.58, 1,762,082.64 and 953,931.24 is: 1,316,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,781.58 : 1,762,082.64 = 953,931.24 : x
  2. Step 2: Convert to fraction form
    1,276,781.58/1,762,082.64 = 953,931.24/x
  3. Step 3: Cross multiply
    1,276,781.58x = 1,762,082.64 × 953,931.24
  4. Step 4: Simplify right side
    1,276,781.58x = 1,680,905,677,757.67
  5. Step 5: Solve for x
    x = 1,680,905,677,757.67/1,276,781.58
  6. Step 6: Final answer
    x = 1,316,517.80

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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.