Home / 691,526.34-954,318.15-381,464.55

Finding the Fourth Proportional to 691,526.34, 954,318.15 and 381,464.55

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Solution

The fourth proportional to 691,526.34, 954,318.15 and 381,464.55 is: 526,427.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,526.34 : 954,318.15 = 381,464.55 : x
  2. Step 2: Convert to fraction form
    691,526.34/954,318.15 = 381,464.55/x
  3. Step 3: Cross multiply
    691,526.34x = 954,318.15 × 381,464.55
  4. Step 4: Simplify right side
    691,526.34x = 364,038,543,646.58
  5. Step 5: Solve for x
    x = 364,038,543,646.58/691,526.34
  6. Step 6: Final answer
    x = 526,427.59

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1.5x scale

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.