Home / 834,101.51-1,251,158.85-546,155.78

Finding the Fourth Proportional to 834,101.51, 1,251,158.85 and 546,155.78

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Solution

The fourth proportional to 834,101.51, 1,251,158.85 and 546,155.78 is: 819,237.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,101.51 : 1,251,158.85 = 546,155.78 : x
  2. Step 2: Convert to fraction form
    834,101.51/1,251,158.85 = 546,155.78/x
  3. Step 3: Cross multiply
    834,101.51x = 1,251,158.85 × 546,155.78
  4. Step 4: Simplify right side
    834,101.51x = 683,327,631,369.86
  5. Step 5: Solve for x
    x = 683,327,631,369.86/834,101.51
  6. Step 6: Final answer
    x = 819,237.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.