Home / 808,684.63-1,115,981.65-446,131.06

Finding the Fourth Proportional to 808,684.63, 1,115,981.65 and 446,131.06

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Solution

The fourth proportional to 808,684.63, 1,115,981.65 and 446,131.06 is: 615,659.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,684.63 : 1,115,981.65 = 446,131.06 : x
  2. Step 2: Convert to fraction form
    808,684.63/1,115,981.65 = 446,131.06/x
  3. Step 3: Cross multiply
    808,684.63x = 1,115,981.65 × 446,131.06
  4. Step 4: Simplify right side
    808,684.63x = 497,874,074,222.76
  5. Step 5: Solve for x
    x = 497,874,074,222.76/808,684.63
  6. Step 6: Final answer
    x = 615,659.13

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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.