Home / 1,106,518.36-1,658,792.85-432,446.38

Finding the Fourth Proportional to 1,106,518.36, 1,658,792.85 and 432,446.38

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Solution

The fourth proportional to 1,106,518.36, 1,658,792.85 and 432,446.38 is: 648,284.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,518.36 : 1,658,792.85 = 432,446.38 : x
  2. Step 2: Convert to fraction form
    1,106,518.36/1,658,792.85 = 432,446.38/x
  3. Step 3: Cross multiply
    1,106,518.36x = 1,658,792.85 × 432,446.38
  4. Step 4: Simplify right side
    1,106,518.36x = 717,338,963,152.38
  5. Step 5: Solve for x
    x = 717,338,963,152.38/1,106,518.36
  6. Step 6: Final answer
    x = 648,284.74

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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.