Home / 1,208,199.95-1,812,242.51-355,237.14

Finding the Fourth Proportional to 1,208,199.95, 1,812,242.51 and 355,237.14

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Solution

The fourth proportional to 1,208,199.95, 1,812,242.51 and 355,237.14 is: 532,838.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,199.95 : 1,812,242.51 = 355,237.14 : x
  2. Step 2: Convert to fraction form
    1,208,199.95/1,812,242.51 = 355,237.14/x
  3. Step 3: Cross multiply
    1,208,199.95x = 1,812,242.51 × 355,237.14
  4. Step 4: Simplify right side
    1,208,199.95x = 643,775,854,588.89
  5. Step 5: Solve for x
    x = 643,775,854,588.89/1,208,199.95
  6. Step 6: Final answer
    x = 532,838.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.