Home / 810,277.90-1,118,153.43-447,693.95

Finding the Fourth Proportional to 810,277.90, 1,118,153.43 and 447,693.95

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Solution

The fourth proportional to 810,277.90, 1,118,153.43 and 447,693.95 is: 617,801.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,277.90 : 1,118,153.43 = 447,693.95 : x
  2. Step 2: Convert to fraction form
    810,277.90/1,118,153.43 = 447,693.95/x
  3. Step 3: Cross multiply
    810,277.90x = 1,118,153.43 × 447,693.95
  4. Step 4: Simplify right side
    810,277.90x = 500,590,528,578.13
  5. Step 5: Solve for x
    x = 500,590,528,578.13/810,277.90
  6. Step 6: Final answer
    x = 617,801.04

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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.