Home / 864,197.01-1,294,559.28-430,606.67

Finding the Fourth Proportional to 864,197.01, 1,294,559.28 and 430,606.67

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Solution

The fourth proportional to 864,197.01, 1,294,559.28 and 430,606.67 is: 645,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,197.01 : 1,294,559.28 = 430,606.67 : x
  2. Step 2: Convert to fraction form
    864,197.01/1,294,559.28 = 430,606.67/x
  3. Step 3: Cross multiply
    864,197.01x = 1,294,559.28 × 430,606.67
  4. Step 4: Simplify right side
    864,197.01x = 557,445,854,205.60
  5. Step 5: Solve for x
    x = 557,445,854,205.60/864,197.01
  6. Step 6: Final answer
    x = 645,044.88

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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.