Home / 803,209.77-1,108,433.57-440,667.14

Finding the Fourth Proportional to 803,209.77, 1,108,433.57 and 440,667.14

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Solution

The fourth proportional to 803,209.77, 1,108,433.57 and 440,667.14 is: 608,122.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,209.77 : 1,108,433.57 = 440,667.14 : x
  2. Step 2: Convert to fraction form
    803,209.77/1,108,433.57 = 440,667.14/x
  3. Step 3: Cross multiply
    803,209.77x = 1,108,433.57 × 440,667.14
  4. Step 4: Simplify right side
    803,209.77x = 488,450,243,426.39
  5. Step 5: Solve for x
    x = 488,450,243,426.39/803,209.77
  6. Step 6: Final answer
    x = 608,122.89

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Double scale
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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.