Home / 882,381.75-1,217,686.80-500,408.52

Finding the Fourth Proportional to 882,381.75, 1,217,686.80 and 500,408.52

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Solution

The fourth proportional to 882,381.75, 1,217,686.80 and 500,408.52 is: 690,563.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,381.75 : 1,217,686.80 = 500,408.52 : x
  2. Step 2: Convert to fraction form
    882,381.75/1,217,686.80 = 500,408.52/x
  3. Step 3: Cross multiply
    882,381.75x = 1,217,686.80 × 500,408.52
  4. Step 4: Simplify right side
    882,381.75x = 609,340,849,411.54
  5. Step 5: Solve for x
    x = 609,340,849,411.54/882,381.75
  6. Step 6: Final answer
    x = 690,563.75

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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.