Home / 869,730.03-1,200,358.64-530,395.11

Finding the Fourth Proportional to 869,730.03, 1,200,358.64 and 530,395.11

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Solution

The fourth proportional to 869,730.03, 1,200,358.64 and 530,395.11 is: 732,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,730.03 : 1,200,358.64 = 530,395.11 : x
  2. Step 2: Convert to fraction form
    869,730.03/1,200,358.64 = 530,395.11/x
  3. Step 3: Cross multiply
    869,730.03x = 1,200,358.64 × 530,395.11
  4. Step 4: Simplify right side
    869,730.03x = 636,664,350,250.28
  5. Step 5: Solve for x
    x = 636,664,350,250.28/869,730.03
  6. Step 6: Final answer
    x = 732,025.26

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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.