Home / 697,916.82-963,100.93-426,439.11

Finding the Fourth Proportional to 697,916.82, 963,100.93 and 426,439.11

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Solution

The fourth proportional to 697,916.82, 963,100.93 and 426,439.11 is: 588,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,916.82 : 963,100.93 = 426,439.11 : x
  2. Step 2: Convert to fraction form
    697,916.82/963,100.93 = 426,439.11/x
  3. Step 3: Cross multiply
    697,916.82x = 963,100.93 × 426,439.11
  4. Step 4: Simplify right side
    697,916.82x = 410,703,903,429.37
  5. Step 5: Solve for x
    x = 410,703,903,429.37/697,916.82
  6. Step 6: Final answer
    x = 588,471.14

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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.