Home / 1,774,411.80-2,661,617.70-512,280.60

Finding the Fourth Proportional to 1,774,411.80, 2,661,617.70 and 512,280.60

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Solution

The fourth proportional to 1,774,411.80, 2,661,617.70 and 512,280.60 is: 768,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774,411.80 : 2,661,617.70 = 512,280.60 : x
  2. Step 2: Convert to fraction form
    1,774,411.80/2,661,617.70 = 512,280.60/x
  3. Step 3: Cross multiply
    1,774,411.80x = 2,661,617.70 × 512,280.60
  4. Step 4: Simplify right side
    1,774,411.80x = 1,363,495,112,326.62
  5. Step 5: Solve for x
    x = 1,363,495,112,326.62/1,774,411.80
  6. Step 6: Final answer
    x = 768,420.90

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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.