Home / 1,154,667.42-1,593,416.11-638,401.47

Finding the Fourth Proportional to 1,154,667.42, 1,593,416.11 and 638,401.47

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Solution

The fourth proportional to 1,154,667.42, 1,593,416.11 and 638,401.47 is: 880,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,667.42 : 1,593,416.11 = 638,401.47 : x
  2. Step 2: Convert to fraction form
    1,154,667.42/1,593,416.11 = 638,401.47/x
  3. Step 3: Cross multiply
    1,154,667.42x = 1,593,416.11 × 638,401.47
  4. Step 4: Simplify right side
    1,154,667.42x = 1,017,239,186,945.68
  5. Step 5: Solve for x
    x = 1,017,239,186,945.68/1,154,667.42
  6. Step 6: Final answer
    x = 880,980.25

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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.