Home / 917,829.20-1,376,271.08-411,956.51

Finding the Fourth Proportional to 917,829.20, 1,376,271.08 and 411,956.51

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Solution

The fourth proportional to 917,829.20, 1,376,271.08 and 411,956.51 is: 617,722.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,829.20 : 1,376,271.08 = 411,956.51 : x
  2. Step 2: Convert to fraction form
    917,829.20/1,376,271.08 = 411,956.51/x
  3. Step 3: Cross multiply
    917,829.20x = 1,376,271.08 × 411,956.51
  4. Step 4: Simplify right side
    917,829.20x = 566,963,821,989.59
  5. Step 5: Solve for x
    x = 566,963,821,989.59/917,829.20
  6. Step 6: Final answer
    x = 617,722.58

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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.