Home / 706,487.40-1,059,731.10-581,322.15

Finding the Fourth Proportional to 706,487.40, 1,059,731.10 and 581,322.15

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Solution

The fourth proportional to 706,487.40, 1,059,731.10 and 581,322.15 is: 871,983.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,487.40 : 1,059,731.10 = 581,322.15 : x
  2. Step 2: Convert to fraction form
    706,487.40/1,059,731.10 = 581,322.15/x
  3. Step 3: Cross multiply
    706,487.40x = 1,059,731.10 × 581,322.15
  4. Step 4: Simplify right side
    706,487.40x = 616,045,161,473.87
  5. Step 5: Solve for x
    x = 616,045,161,473.87/706,487.40
  6. Step 6: Final answer
    x = 871,983.23

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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.