Home / 697,228.53-962,271.89-391,323.12

Finding the Fourth Proportional to 697,228.53, 962,271.89 and 391,323.12

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Solution

The fourth proportional to 697,228.53, 962,271.89 and 391,323.12 is: 540,080.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,228.53 : 962,271.89 = 391,323.12 : x
  2. Step 2: Convert to fraction form
    697,228.53/962,271.89 = 391,323.12/x
  3. Step 3: Cross multiply
    697,228.53x = 962,271.89 × 391,323.12
  4. Step 4: Simplify right side
    697,228.53x = 376,559,231,515.12
  5. Step 5: Solve for x
    x = 376,559,231,515.12/697,228.53
  6. Step 6: Final answer
    x = 540,080.07

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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.