Home / 808,719.89-1,116,030.26-446,166.32

Finding the Fourth Proportional to 808,719.89, 1,116,030.26 and 446,166.32

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Solution

The fourth proportional to 808,719.89, 1,116,030.26 and 446,166.32 is: 615,707.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,719.89 : 1,116,030.26 = 446,166.32 : x
  2. Step 2: Convert to fraction form
    808,719.89/1,116,030.26 = 446,166.32/x
  3. Step 3: Cross multiply
    808,719.89x = 1,116,030.26 × 446,166.32
  4. Step 4: Simplify right side
    808,719.89x = 497,935,106,301.86
  5. Step 5: Solve for x
    x = 497,935,106,301.86/808,719.89
  6. Step 6: Final answer
    x = 615,707.76

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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.