Home / 651,105.32-976,938.64-351,526.40

Finding the Fourth Proportional to 651,105.32, 976,938.64 and 351,526.40

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Solution

The fourth proportional to 651,105.32, 976,938.64 and 351,526.40 is: 527,441.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,105.32 : 976,938.64 = 351,526.40 : x
  2. Step 2: Convert to fraction form
    651,105.32/976,938.64 = 351,526.40/x
  3. Step 3: Cross multiply
    651,105.32x = 976,938.64 × 351,526.40
  4. Step 4: Simplify right side
    651,105.32x = 343,419,723,140.10
  5. Step 5: Solve for x
    x = 343,419,723,140.10/651,105.32
  6. Step 6: Final answer
    x = 527,441.13

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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.