Home / 742,384.19-1,113,997.50-400,823.04

Finding the Fourth Proportional to 742,384.19, 1,113,997.50 and 400,823.04

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Solution

The fourth proportional to 742,384.19, 1,113,997.50 and 400,823.04 is: 601,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,384.19 : 1,113,997.50 = 400,823.04 : x
  2. Step 2: Convert to fraction form
    742,384.19/1,113,997.50 = 400,823.04/x
  3. Step 3: Cross multiply
    742,384.19x = 1,113,997.50 × 400,823.04
  4. Step 4: Simplify right side
    742,384.19x = 446,515,864,502.40
  5. Step 5: Solve for x
    x = 446,515,864,502.40/742,384.19
  6. Step 6: Final answer
    x = 601,461.98

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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.