Home / 554,664.81-831,999.64-175,587.40

Finding the Fourth Proportional to 554,664.81, 831,999.64 and 175,587.40

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Solution

The fourth proportional to 554,664.81, 831,999.64 and 175,587.40 is: 263,381.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,664.81 : 831,999.64 = 175,587.40 : x
  2. Step 2: Convert to fraction form
    554,664.81/831,999.64 = 175,587.40/x
  3. Step 3: Cross multiply
    554,664.81x = 831,999.64 × 175,587.40
  4. Step 4: Simplify right side
    554,664.81x = 146,088,653,588.54
  5. Step 5: Solve for x
    x = 146,088,653,588.54/554,664.81
  6. Step 6: Final answer
    x = 263,381.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.