Home / 803,345.85-1,108,617.18-459,189.14

Finding the Fourth Proportional to 803,345.85, 1,108,617.18 and 459,189.14

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Solution

The fourth proportional to 803,345.85, 1,108,617.18 and 459,189.14 is: 633,680.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,345.85 : 1,108,617.18 = 459,189.14 : x
  2. Step 2: Convert to fraction form
    803,345.85/1,108,617.18 = 459,189.14/x
  3. Step 3: Cross multiply
    803,345.85x = 1,108,617.18 × 459,189.14
  4. Step 4: Simplify right side
    803,345.85x = 509,064,964,791.32
  5. Step 5: Solve for x
    x = 509,064,964,791.32/803,345.85
  6. Step 6: Final answer
    x = 633,680.95

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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.