Home / 697,914.51-963,097.74-426,436.80

Finding the Fourth Proportional to 697,914.51, 963,097.74 and 426,436.80

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Solution

The fourth proportional to 697,914.51, 963,097.74 and 426,436.80 is: 588,467.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,914.51 : 963,097.74 = 426,436.80 : x
  2. Step 2: Convert to fraction form
    697,914.51/963,097.74 = 426,436.80/x
  3. Step 3: Cross multiply
    697,914.51x = 963,097.74 × 426,436.80
  4. Step 4: Simplify right side
    697,914.51x = 410,700,318,332.83
  5. Step 5: Solve for x
    x = 410,700,318,332.83/697,914.51
  6. Step 6: Final answer
    x = 588,467.95

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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.