Home / 1,781,142.10-2,671,453.95-518,838.10

Finding the Fourth Proportional to 1,781,142.10, 2,671,453.95 and 518,838.10

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Solution

The fourth proportional to 1,781,142.10, 2,671,453.95 and 518,838.10 is: 778,181.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,142.10 : 2,671,453.95 = 518,838.10 : x
  2. Step 2: Convert to fraction form
    1,781,142.10/2,671,453.95 = 518,838.10/x
  3. Step 3: Cross multiply
    1,781,142.10x = 2,671,453.95 × 518,838.10
  4. Step 4: Simplify right side
    1,781,142.10x = 1,386,052,091,655.50
  5. Step 5: Solve for x
    x = 1,386,052,091,655.50/1,781,142.10
  6. Step 6: Final answer
    x = 778,181.65

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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.