Home / 810,125.47-1,117,967.83-447,572.71

Finding the Fourth Proportional to 810,125.47, 1,117,967.83 and 447,572.71

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Solution

The fourth proportional to 810,125.47, 1,117,967.83 and 447,572.71 is: 617,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,125.47 : 1,117,967.83 = 447,572.71 : x
  2. Step 2: Convert to fraction form
    810,125.47/1,117,967.83 = 447,572.71/x
  3. Step 3: Cross multiply
    810,125.47x = 1,117,967.83 × 447,572.71
  4. Step 4: Simplify right side
    810,125.47x = 500,371,891,365.92
  5. Step 5: Solve for x
    x = 500,371,891,365.92/810,125.47
  6. Step 6: Final answer
    x = 617,647.40

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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.