Home / 877,076.12-1,210,235.64-514,363.04

Finding the Fourth Proportional to 877,076.12, 1,210,235.64 and 514,363.04

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Solution

The fourth proportional to 877,076.12, 1,210,235.64 and 514,363.04 is: 709,745.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,076.12 : 1,210,235.64 = 514,363.04 : x
  2. Step 2: Convert to fraction form
    877,076.12/1,210,235.64 = 514,363.04/x
  3. Step 3: Cross multiply
    877,076.12x = 1,210,235.64 × 514,363.04
  4. Step 4: Simplify right side
    877,076.12x = 622,500,482,906.75
  5. Step 5: Solve for x
    x = 622,500,482,906.75/877,076.12
  6. Step 6: Final answer
    x = 709,745.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.