Home / 783,507.46-1,081,464.50-461,404.40

Finding the Fourth Proportional to 783,507.46, 1,081,464.50 and 461,404.40

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Solution

The fourth proportional to 783,507.46, 1,081,464.50 and 461,404.40 is: 636,870.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,507.46 : 1,081,464.50 = 461,404.40 : x
  2. Step 2: Convert to fraction form
    783,507.46/1,081,464.50 = 461,404.40/x
  3. Step 3: Cross multiply
    783,507.46x = 1,081,464.50 × 461,404.40
  4. Step 4: Simplify right side
    783,507.46x = 498,992,478,743.80
  5. Step 5: Solve for x
    x = 498,992,478,743.80/783,507.46
  6. Step 6: Final answer
    x = 636,870.11

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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.