Home / 697,256.18-962,173.06-391,303.98

Finding the Fourth Proportional to 697,256.18, 962,173.06 and 391,303.98

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Solution

The fourth proportional to 697,256.18, 962,173.06 and 391,303.98 is: 539,976.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,256.18 : 962,173.06 = 391,303.98 : x
  2. Step 2: Convert to fraction form
    697,256.18/962,173.06 = 391,303.98/x
  3. Step 3: Cross multiply
    697,256.18x = 962,173.06 × 391,303.98
  4. Step 4: Simplify right side
    697,256.18x = 376,502,147,826.78
  5. Step 5: Solve for x
    x = 376,502,147,826.78/697,256.18
  6. Step 6: Final answer
    x = 539,976.78

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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.