Home / 808,364.23-1,115,527.11-445,821.59

Finding the Fourth Proportional to 808,364.23, 1,115,527.11 and 445,821.59

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Solution

The fourth proportional to 808,364.23, 1,115,527.11 and 445,821.59 is: 615,225.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,364.23 : 1,115,527.11 = 445,821.59 : x
  2. Step 2: Convert to fraction form
    808,364.23/1,115,527.11 = 445,821.59/x
  3. Step 3: Cross multiply
    808,364.23x = 1,115,527.11 × 445,821.59
  4. Step 4: Simplify right side
    808,364.23x = 497,326,070,985.29
  5. Step 5: Solve for x
    x = 497,326,070,985.29/808,364.23
  6. Step 6: Final answer
    x = 615,225.23

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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.