Home / 877,133.15-1,210,453.85-514,563.18

Finding the Fourth Proportional to 877,133.15, 1,210,453.85 and 514,563.18

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Solution

The fourth proportional to 877,133.15, 1,210,453.85 and 514,563.18 is: 710,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,133.15 : 1,210,453.85 = 514,563.18 : x
  2. Step 2: Convert to fraction form
    877,133.15/1,210,453.85 = 514,563.18/x
  3. Step 3: Cross multiply
    877,133.15x = 1,210,453.85 × 514,563.18
  4. Step 4: Simplify right side
    877,133.15x = 622,854,984,408.04
  5. Step 5: Solve for x
    x = 622,854,984,408.04/877,133.15
  6. Step 6: Final answer
    x = 710,103.11

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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.