Home / 808,987.68-1,116,352.80-446,414.40

Finding the Fourth Proportional to 808,987.68, 1,116,352.80 and 446,414.40

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Solution

The fourth proportional to 808,987.68, 1,116,352.80 and 446,414.40 is: 616,024.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,987.68 : 1,116,352.80 = 446,414.40 : x
  2. Step 2: Convert to fraction form
    808,987.68/1,116,352.80 = 446,414.40/x
  3. Step 3: Cross multiply
    808,987.68x = 1,116,352.80 × 446,414.40
  4. Step 4: Simplify right side
    808,987.68x = 498,355,965,400.32
  5. Step 5: Solve for x
    x = 498,355,965,400.32/808,987.68
  6. Step 6: Final answer
    x = 616,024.17

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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.