Home / 841,823.84-1,262,860.34-309,303.38

Finding the Fourth Proportional to 841,823.84, 1,262,860.34 and 309,303.38

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Solution

The fourth proportional to 841,823.84, 1,262,860.34 and 309,303.38 is: 464,000.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,823.84 : 1,262,860.34 = 309,303.38 : x
  2. Step 2: Convert to fraction form
    841,823.84/1,262,860.34 = 309,303.38/x
  3. Step 3: Cross multiply
    841,823.84x = 1,262,860.34 × 309,303.38
  4. Step 4: Simplify right side
    841,823.84x = 390,606,973,240.58
  5. Step 5: Solve for x
    x = 390,606,973,240.58/841,823.84
  6. Step 6: Final answer
    x = 464,000.84

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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.