Home / 912,698.11-1,366,950.95-455,887.20

Finding the Fourth Proportional to 912,698.11, 1,366,950.95 and 455,887.20

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Solution

The fourth proportional to 912,698.11, 1,366,950.95 and 455,887.20 is: 682,783.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,698.11 : 1,366,950.95 = 455,887.20 : x
  2. Step 2: Convert to fraction form
    912,698.11/1,366,950.95 = 455,887.20/x
  3. Step 3: Cross multiply
    912,698.11x = 1,366,950.95 × 455,887.20
  4. Step 4: Simplify right side
    912,698.11x = 623,175,441,132.84
  5. Step 5: Solve for x
    x = 623,175,441,132.84/912,698.11
  6. Step 6: Final answer
    x = 682,783.75

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1.5x scale

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.