Home / 706,580.20-1,058,315.10-425,607.40

Finding the Fourth Proportional to 706,580.20, 1,058,315.10 and 425,607.40

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Solution

The fourth proportional to 706,580.20, 1,058,315.10 and 425,607.40 is: 637,474.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,580.20 : 1,058,315.10 = 425,607.40 : x
  2. Step 2: Convert to fraction form
    706,580.20/1,058,315.10 = 425,607.40/x
  3. Step 3: Cross multiply
    706,580.20x = 1,058,315.10 × 425,607.40
  4. Step 4: Simplify right side
    706,580.20x = 450,426,738,091.74
  5. Step 5: Solve for x
    x = 450,426,738,091.74/706,580.20
  6. Step 6: Final answer
    x = 637,474.33

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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.