Home / 912,817.84-1,259,673.08-504,919.35

Finding the Fourth Proportional to 912,817.84, 1,259,673.08 and 504,919.35

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Solution

The fourth proportional to 912,817.84, 1,259,673.08 and 504,919.35 is: 696,780.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,817.84 : 1,259,673.08 = 504,919.35 : x
  2. Step 2: Convert to fraction form
    912,817.84/1,259,673.08 = 504,919.35/x
  3. Step 3: Cross multiply
    912,817.84x = 1,259,673.08 × 504,919.35
  4. Step 4: Simplify right side
    912,817.84x = 636,033,315,025.07
  5. Step 5: Solve for x
    x = 636,033,315,025.07/912,817.84
  6. Step 6: Final answer
    x = 696,780.11

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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.