Home / 468,056.73-645,921.45-286,769.01

Finding the Fourth Proportional to 468,056.73, 645,921.45 and 286,769.01

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Solution

The fourth proportional to 468,056.73, 645,921.45 and 286,769.01 is: 395,743.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,056.73 : 645,921.45 = 286,769.01 : x
  2. Step 2: Convert to fraction form
    468,056.73/645,921.45 = 286,769.01/x
  3. Step 3: Cross multiply
    468,056.73x = 645,921.45 × 286,769.01
  4. Step 4: Simplify right side
    468,056.73x = 185,230,254,754.27
  5. Step 5: Solve for x
    x = 185,230,254,754.27/468,056.73
  6. Step 6: Final answer
    x = 395,743.17

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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.