Home / 1,066,712.54-1,600,070.38-435,626.38

Finding the Fourth Proportional to 1,066,712.54, 1,600,070.38 and 435,626.38

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Solution

The fourth proportional to 1,066,712.54, 1,600,070.38 and 435,626.38 is: 653,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,712.54 : 1,600,070.38 = 435,626.38 : x
  2. Step 2: Convert to fraction form
    1,066,712.54/1,600,070.38 = 435,626.38/x
  3. Step 3: Cross multiply
    1,066,712.54x = 1,600,070.38 × 435,626.38
  4. Step 4: Simplify right side
    1,066,712.54x = 697,032,867,384.62
  5. Step 5: Solve for x
    x = 697,032,867,384.62/1,066,712.54
  6. Step 6: Final answer
    x = 653,440.21

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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.