Home / 830,873-1,246,430.10-262,061.84

Finding the Fourth Proportional to 830,873, 1,246,430.10 and 262,061.84

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Solution

The fourth proportional to 830,873, 1,246,430.10 and 262,061.84 is: 393,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,873 : 1,246,430.10 = 262,061.84 : x
  2. Step 2: Convert to fraction form
    830,873/1,246,430.10 = 262,061.84/x
  3. Step 3: Cross multiply
    830,873x = 1,246,430.10 × 262,061.84
  4. Step 4: Simplify right side
    830,873x = 326,641,765,437.38
  5. Step 5: Solve for x
    x = 326,641,765,437.38/830,873
  6. Step 6: Final answer
    x = 393,130.80

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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.