Home / 697,229.03-962,272.58-391,323.62

Finding the Fourth Proportional to 697,229.03, 962,272.58 and 391,323.62

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Solution

The fourth proportional to 697,229.03, 962,272.58 and 391,323.62 is: 540,080.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,229.03 : 962,272.58 = 391,323.62 : x
  2. Step 2: Convert to fraction form
    697,229.03/962,272.58 = 391,323.62/x
  3. Step 3: Cross multiply
    697,229.03x = 962,272.58 × 391,323.62
  4. Step 4: Simplify right side
    697,229.03x = 376,559,989,432.34
  5. Step 5: Solve for x
    x = 376,559,989,432.34/697,229.03
  6. Step 6: Final answer
    x = 540,080.77

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1.5x scale

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.