Home / 1,558,936.60-2,151,309.84-870,601.20

Finding the Fourth Proportional to 1,558,936.60, 2,151,309.84 and 870,601.20

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Solution

The fourth proportional to 1,558,936.60, 2,151,309.84 and 870,601.20 is: 1,201,417.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558,936.60 : 2,151,309.84 = 870,601.20 : x
  2. Step 2: Convert to fraction form
    1,558,936.60/2,151,309.84 = 870,601.20/x
  3. Step 3: Cross multiply
    1,558,936.60x = 2,151,309.84 × 870,601.20
  4. Step 4: Simplify right side
    1,558,936.60x = 1,872,932,928,275.81
  5. Step 5: Solve for x
    x = 1,872,932,928,275.81/1,558,936.60
  6. Step 6: Final answer
    x = 1,201,417.00

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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.