Home / 697,976.85-962,962.68-456,400.83

Finding the Fourth Proportional to 697,976.85, 962,962.68 and 456,400.83

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Solution

The fourth proportional to 697,976.85, 962,962.68 and 456,400.83 is: 629,672.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,976.85 : 962,962.68 = 456,400.83 : x
  2. Step 2: Convert to fraction form
    697,976.85/962,962.68 = 456,400.83/x
  3. Step 3: Cross multiply
    697,976.85x = 962,962.68 × 456,400.83
  4. Step 4: Simplify right side
    697,976.85x = 439,496,966,411.02
  5. Step 5: Solve for x
    x = 439,496,966,411.02/697,976.85
  6. Step 6: Final answer
    x = 629,672.70

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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.