Home / 810,088.52-1,117,918.56-447,512.55

Finding the Fourth Proportional to 810,088.52, 1,117,918.56 and 447,512.55

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Solution

The fourth proportional to 810,088.52, 1,117,918.56 and 447,512.55 is: 617,565.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,088.52 : 1,117,918.56 = 447,512.55 : x
  2. Step 2: Convert to fraction form
    810,088.52/1,117,918.56 = 447,512.55/x
  3. Step 3: Cross multiply
    810,088.52x = 1,117,918.56 × 447,512.55
  4. Step 4: Simplify right side
    810,088.52x = 500,282,585,477.93
  5. Step 5: Solve for x
    x = 500,282,585,477.93/810,088.52
  6. Step 6: Final answer
    x = 617,565.33

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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.