Home / 808,918.39-1,116,300.36-446,345.65

Finding the Fourth Proportional to 808,918.39, 1,116,300.36 and 446,345.65

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Solution

The fourth proportional to 808,918.39, 1,116,300.36 and 446,345.65 is: 615,953.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,918.39 : 1,116,300.36 = 446,345.65 : x
  2. Step 2: Convert to fraction form
    808,918.39/1,116,300.36 = 446,345.65/x
  3. Step 3: Cross multiply
    808,918.39x = 1,116,300.36 × 446,345.65
  4. Step 4: Simplify right side
    808,918.39x = 498,255,809,779.43
  5. Step 5: Solve for x
    x = 498,255,809,779.43/808,918.39
  6. Step 6: Final answer
    x = 615,953.12

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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.