Home / 864,801.29-1,297,439.74-415,897.67

Finding the Fourth Proportional to 864,801.29, 1,297,439.74 and 415,897.67

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Solution

The fourth proportional to 864,801.29, 1,297,439.74 and 415,897.67 is: 623,960.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,801.29 : 1,297,439.74 = 415,897.67 : x
  2. Step 2: Convert to fraction form
    864,801.29/1,297,439.74 = 415,897.67/x
  3. Step 3: Cross multiply
    864,801.29x = 1,297,439.74 × 415,897.67
  4. Step 4: Simplify right side
    864,801.29x = 539,602,168,594.88
  5. Step 5: Solve for x
    x = 539,602,168,594.88/864,801.29
  6. Step 6: Final answer
    x = 623,960.87

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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.