Home / 946,259.42-1,305,812.88-870,086.21

Finding the Fourth Proportional to 946,259.42, 1,305,812.88 and 870,086.21

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Solution

The fourth proportional to 946,259.42, 1,305,812.88 and 870,086.21 is: 1,200,695.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,259.42 : 1,305,812.88 = 870,086.21 : x
  2. Step 2: Convert to fraction form
    946,259.42/1,305,812.88 = 870,086.21/x
  3. Step 3: Cross multiply
    946,259.42x = 1,305,812.88 × 870,086.21
  4. Step 4: Simplify right side
    946,259.42x = 1,136,169,773,199.32
  5. Step 5: Solve for x
    x = 1,136,169,773,199.32/946,259.42
  6. Step 6: Final answer
    x = 1,200,695.87

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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.