Home / 935,427.42-1,290,927.54-522,000.36

Finding the Fourth Proportional to 935,427.42, 1,290,927.54 and 522,000.36

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Solution

The fourth proportional to 935,427.42, 1,290,927.54 and 522,000.36 is: 720,381.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,427.42 : 1,290,927.54 = 522,000.36 : x
  2. Step 2: Convert to fraction form
    935,427.42/1,290,927.54 = 522,000.36/x
  3. Step 3: Cross multiply
    935,427.42x = 1,290,927.54 × 522,000.36
  4. Step 4: Simplify right side
    935,427.42x = 673,864,640,613.91
  5. Step 5: Solve for x
    x = 673,864,640,613.91/935,427.42
  6. Step 6: Final answer
    x = 720,381.53

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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.